Option A is Correct. MRNA and tRNA are required by ribosomes to complete translation. While mRNA translates the nucleus into a protein, tRNA constructs the ribosome.
Is the statement an accurate description of their functions. Ribosomal subunits form a sandwich-like structure on the strand of mRNA during translation, where they proceed to draw tRNA molecules bound to amino acids (circles). As the ribosome converts the mRNA sequence into a polypeptide, or new protein, a lengthy chain of amino acids is formed.
A ribosome is a molecular tool used by cells to create proteins. There are two main components to it: a big and a small subunit. The transfer RNAs, or tRNAs, that are floating in the cell are brought together with the mRNA to be translated by the ribosome.
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A couple has a daughter with Turner syndrome, a condition in which only a single copy of the X chromosome is present. This results from nondisjunction, the failure of the X chromosome to segregate properly during meiosis.
During which meiotic division, and in which parent, could nondisjunction have occurred to produce a child with this condition?
Select all that apply..
Meiosis I in the mother
Meiosis II in the mother
Meiosis I in the father
Meiosis II in the father
The meiotic division and parent in which this nondisjunction could have occurred to produce a child with Turner syndrome, a condition in which only a single copy of the X chromosome is present should be Meiosis I in the mother, Meiosis II in the mother and Meiosis I in the father.
Why X non disjunction does not affect meiosis II in males?X non-disjunction does not affect meiosis II in males because males have one X chromosome while the second homolog chromosome is the Y chromosome.
Therefore, with this data, we can see that Turner syndrome does not affect Meiosis II in males.
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information dictating the primary sequence of a polypeptide is permanently maintained within a cell in which of the following forms?O DNAO RNAO GeneO Steroids
Information dictating primary sequence of polypeptide is permanently maintained within a cell in the forms of : DNA.
What is meant by primary sequence of polypeptide?Primary structure of a protein is defined as sequence of amino acids linked together to form polypeptide chain. Each amino acid is linked to next amino acid through peptide bonds created during protein biosynthesis process.
Protein primary structure is linear sequence of amino acids in peptide or protein. The primary structure of protein is reported starting from amino-terminal end to carboxyl-terminal end. Protein biosynthesis is commonly performed by ribosomes in cells.
Sequence of amino acids in polypeptide chain with reference to locations of any disulfide bonds is primary structure of polypeptides and proteins.
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Pls help science
Picture below with question
F represents photosynthesis
Matter is conserved because the number of atoms in the process remain the same
It is a recycling of carbon as it helps to remove carbon from the environment and incorporates it into biomass.
What is the carbon cycle?The carbon cycle is the movement of carbon atoms from one location to another and back again, as part of the natural processes that occur on Earth. Carbon is an essential element for life, and the carbon cycle plays a critical role in maintaining the balance of carbon in the atmosphere, oceans, and land masses.
The carbon cycle is a complex and dynamic process that is affected by both natural and human factors. Understanding the carbon cycle is important for predicting and mitigating the impacts of climate change, as well as for developing sustainable practices for the use of natural resources.
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If individual 2 is married to a woman with no family history of the disease, which of the following is most likely to happen to their children?
a. one of the children will have a disease
b. both children will have the disease
c. None of the children will have the disease
No offspring of person 2 would get the condition if they married a lady who had no history of the illness in her family.
How can a person's family history affect their health?Family history is regarded as one of the most important risk factors for health problems such as heart disease, stroke, diabetes, cancer, and various psychiatric conditions. Beyond only DNA, family members share many other traits. Additionally, their environments, lifestyles, and private habits are similar.
What exactly does the term "family health" mean?Family health encompasses more than just the overall physical and mental health of the family's members, including the father; it also takes into account how the family interacts with one another in terms of physical and mental health, how the family interacts with its social environment, and how the family develops at all stages.
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question at position 17 question 13 part 2. the mosquito, aedes aegypti, has 3 bivalents (homologous pairs) formed at meiosis i. how many chromatin strands are present in each of the following stages
Since there are three bivalents (homologous pairs) at Meiosis I, there are a total of six chromosomes.
Accordingly, a gamete has three chromosomes and three chromatids.
Six chromosomes and six chromatids make up Anaphase II.
3 chromosomes and 6 chromatids are present in prophase II of the cell cycle.
the chromosome and chromatid count in Metaphase I is 6 chromosomes and 6 chromatids.
There are 6 chromosomes and 12 chromatids in Anaphase of mitosis, respectively.
Chromatin is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells. Nuclear DNA does not appear in free linear strands; it is highly condensed and wrapped around nuclear proteins in order to fit inside the nucleus.
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Complete Question -
The mosquito, Aedes aegypti, has 3 bivalents (homologous pairs) formed at Meiosis I. How many chromosomes and chromatin strands are present in: gamete; anaphase II; prophase II; metaphase I; anaphase of mitosis
of the various arrangements in the image, a strep arrangement is statistically most likely to give rise to all of the other arrangements if the cells were randomly spread on a slide.
Strep (short for streptococcus) is a type of bacteria that tends to grow in chains or clusters, rather than in random arrangements.
This means that if strep cells were randomly spread on a slide, they are more likely to form a strep arrangement than any other arrangement. This is because neighboring cells in a chain or cluster can more easily divide and grow in the same direction, leading to the formation of longer chains or clusters. In contrast, random cell arrangements are less likely to result in the formation of regular, patterned structures. Therefore, a strep arrangement is statistically most likely to give rise to all of the other arrangements if the cells were randomly spread on a slide. Strep (short for streptococcus) is a type of bacteria that tends to grow in chains or clusters, rather than in random arrangements.
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The picture shows a group of muscle cells. They can contract to cause movement. How does the structure of a muscle cell support its function? O A. Its flexible walls allow it to pass through tight spaces. OB. Its size allows it to store many lipid molecules. OC. It contains long fibers that can lengthen and shorten. OD. Its long, narrow shape allows it to send signals.
Arrange the three stages of glycolysis in the correct order. Begin with the initial phase at the top of the list.
1. Energy investment phase
2. Cleavage phase
3. Energy liberation phase
The correct order of three stages of glycolysis is energy investment phase> cleavage phase> energy liberation phase.
The initial glucose molecule undergoes a rearrangement during energy investment phase, and two phosphate groups are linked to it. Because of the phosphate groups comes from ATP, two molecules of ATP get used up.
Glycolysis, which translates to "splitting sugars," is the process through which sugars release their stored energy. A six-carbon sugar called glucose is broken into two molecules of a three-carbon sugar called pyruvate during the process of glycolysis.
This multi-step process produces two molecules of free-energy-containing ATP, two molecules of pyruvate, two molecules of high-energy, electron-carrying NADH, and two molecules of water.
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Neuroendocrine Reflex Pathways Place the events associated with a complex neuroendocrine pathway in the correct sequential order. Use the phrases below regarding gastrointestinal coordination of protein digestion to put together a complex neuroendocrine reflex pathway in the correct sequential order. Rank from earliest to latest. To rank items as equivalent, overlap them.
meal containing protein enters the stomach, parietal cell releases hydrochioric acid, gastrin stimulates parietal cell, efferent neurons stimulate G cell, G cell releases gastrin into the circulation, Afferent neurons send information to nervous system in the gut lining
The stomach receives a protein-containing meal. The stomach lining's neural system receives signals from afferent neurons. Efferent neurons trigger the G cell, which then releases Gastrin into the bloodstream.
Gastrin activates the parietal cell. Parietal cells discharge hydrogen chloride. Similar to how a simple neural reaction is triggered, a neuroendocrine reflex is triggered by sensory neurons. Synapses are connections between these neurons and spinal cord interneurons. The efferent neurons of the spinal cord synaptically connect to the other neurons of the hypothalamus. After then, neurons in the hypothalamus release neurohormones. These neurohormones are released into the capillaries and then travel through the blood to the target region. Depending on the type of stimulus and the hormone released, the neuroendocrine reaction will generate a different action.
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variations on sexual reproduction the following is a transcript of an imaginary radio talk show in which four different organisms call in for help with their love lives. read their questions and the responses of dr. morty, the show's host. sift through the information to answer the questions associated with each caller..
The double-slit experiment demonstrates the wave-particle duality of light and matter, showing that particles can exhibit wave-like behavior and interference patterns.
Caller 1 (the redback spider) belongs to the species that practices sexual cannibalism and internal fertilization.
Caller 2 (the clam worm) belongs to the species that practices external fertilization.
Caller 3 (the Djungarian hamster) belongs to the species that practices internal fertilization and viviparous reproduction.
Caller 4 (the nematode) has the physical anatomy of a simultaneous hermaphrodite, meaning they have both male and female reproductive organs and can simultaneously exchange sperm and fertilize each other.
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The regolith is View Available Hint(s) A) all the unconsolidated layers of our soil B) clay, sand, and silt C) the A horizon D) clay, sand, silt, and small rocks E) the part of the soil that supports life
A) all the unconsolidated layers of our soil. Regolith is a zone of loose, unconsolidated rock and dust that lies on top of a layer of bedrock.
On Earth, regolith also comprises soil, a biologically active medium and an essential element in plant development. Several geologic resources, including aluminium, iron, clays, diamonds, and rare earth elements, can be found in regolith. Despite the fact that soil has not yet been discovered on any other celestial bodies that have been investigated, it can be found on the Moon, other planets, and asteroids.
Regolith on Earth is mostly a result of weathering. Bedrock can be exposed to water or other substances that seep through the soil, or it can appear as an outcrop (a deposit of rock that is exposed at the Earth's surface).
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Which coordinates identify a location south of a city that has a latitude of 42.0°N and a longitude of 36.0°W
answer choices: 25.0°N and 36.0°W 45.0°N and 35.0°W
42.0°N and 32.0°W
0.0° and 0.0°
The coordinates identifying the location south of the city with a latitude of 42.0°N and a longitude of 36.0°W are 25.0°N and 36.0°W. So, the correct option is A.
What are Coordinates?A coordinate is defined as the set of numbers or values that locate a point on a map, chart, or globe that are used to specify the position of an object or place with respect to a reference system or set of reference points.
A latitude of 42.0°N means the city is located 42.0° north of the equator while a longitude of 36.0°W means the city is located 36.0° west of the prime meridian. The coordinates identifying the location south of the city with a latitude of 42.0°N and a longitude of 36.0°W are 25.0°N and 36.0°W.
Therefore, the correct option is A.
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which of the following methods should the farmers choose to minimize the cost for efficient pest removal while still reaching their goal of reducing the amount of pollution in the river?
The greatest way for farmers to reduce the expense of effective pest control while still achieving their goal of lowering river pollution is through the use of Integrated Pest Management (IPM).
What is pollution?The presence or introduction of dangerous substances into the environment that have a negative impact on nature and living things is known as pollution. Human activities like industrial processes, transportation, agriculture, and waste disposal are some of the many sources of pollution. Common types of pollution include air, water, and soil pollution, all of which can have a negative effect on ecosystems, wildlife, human health, and the climate.
IPM is a way for managing pests with the least amount of expense and negative impact on the environment by combining several pest management techniques, such as cultural, biological, and chemical control. This method entails keeping an eye on pest populations, identifying when and if control measures are required, and choosing the best method of management based on the biology, behavior, and economic thresholds of the pests. The adoption of IPM techniques can lessen the demand for pesticides and the risks to human health and the environment while also lowering expenses by cutting out treatments that aren't necessary.
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Endosymbiosis is the internalization of one species by a host species. According to the endosymbiotic hypothesis, Internalized prokaryotes eventually evolved into eukaryotic organelles Drag the images to the targets of Group 1 in the order of the endosymbiotic hypothesis. Then match each description with the appropriate step. Reset Photos posaryote begins to be onged by ancestral Photosynth pro wly gueros in a wood with orges Oxygen abolizing bacterium begins to be onquilled by ancestral Ancora colli nucleus and Endomembrane wyelem Ootabong bacteris fuayened in the ball Photosynthetic Oxygen metaboling bacterium 2 Group Group Group 1 Group Group Gro2 Group 2 Group 2 Group 2 Group 2
Assimilated prokaryotes in the long run developed into eukaryotic organelles Drag the pictures to the objectives of Gruap 1 in the request for the endosymbiotic speculation.
The Endosymbiotic Hypothesis expresses that the mitochondria and chloroplast in eukaryotic cells were once oxygen-consuming microscopic organisms (prokaryotes) that were ingested by an enormous anaerobic microorganism (prokaryote). The oxygen-consuming microscopic organisms were at first free-living prokaryotes, prior to being ingested by anaerobic microorganisms.
The main speculation, called the endosymbiotic hypothesis, is that eukaryotes emerged because of a combination of Archaean cells with microscopic organisms, where an old Archaean overwhelmed (but didn't eat) an old, oxygen-consuming bacterial cell.
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1 of 3 question 1 question two species of fish that live in extremely cold environments produce near-identical antifreeze glycoproteins, called afgps. scientists have determined the origins of the afgp gene in both species. selected characteristics of the two fish species are provided in table 1. table 1. characteristics of two fish species producing nearly identical antifreeze glycoproteins fish species order location evolutionary origin of the afgp gene boreogadus saida gadiformes arctic no sequence identity with trypsinogen dissostichus mawsoni perciformes antarctic pancreatic trypsinogen based on the information in table 1, which of the following statements best describes the production of nearly identical afgps in these two species of fish? responses the fish eat the same type of food, which resulted in the evolution of similar digestive proteins. the fish eat the same type of food, which resulted in the evolution of similar digestive proteins. the fish live in environments with similar selective pressures, and those that produce afgps are better able to survive. the fish live in environments with similar selective pressures, and those that produce a f g ps are better able to survive. the antarctic fish species evolved into a separate species after being geographically isolated from the arctic population because of commercial fishing. the antarctic fish species evolved into a separate species after being geographically isolated from the arctic population because of commercial fishing. the production of similar afgps was due to random splicing of exons in both species.
The following statement which best describes the production of nearly identical AFGPS in these two species of fish is that the fish live in environments with similar selective pressures, and those that produce AFGPS are better able to survive which is therefore denoted as option B.
What is AFGPS?This is known as Antifreeze glycoproteins (AFGPs) and they are unique proteins that inhibit the growth of ice by a mechanism.
In a scenario where a similar substance is produced, is that the fishes in such region will be able to survive better as a result of a more favorable environment due to the absence of ice.
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5.
How many fragments were
produced by the restriction
enzyme Hindlll?
8 fragments are produced by the restriction enzyme Hindlll.
What are restriction enzymes?An isolated bacterial protein known as a restriction enzyme cleaves DNA at sequence-specific locations to create DNA fragments with a known sequence at each end. For several laboratory techniques, such as genetic engineering and recombinant DNA technologies, restriction enzymes are essential.
The phosphodiester linkages between the phosphate and the pentose sugar in the sugar-phosphate backbone are broken at a specific point by restriction enzymes.
HindIII is a type 2 restriction enzyme and it produces 8 fragments.
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Chemical Structure of Carbohydrates Pictured below are four different carbohydrate chemical structures. Match each structure with the type of carbohydrate it best represents. Drag the appropriate labels to their respective targets. View Available Hint(s) Reset Help disaccharide polysaccharide: starch monosaccharide * II polysaccharide: cellulose/fiber Part B - Identify Food Sources of Different Types of Carbohydrates Foods naturally contain more than one type of carbohydrate, but you are to identify the type of carbohydrate that is found in the highest amount. For example, a medium banana has the following amounts of each of the listed types of carbohydrates: Monosaccharides Fructose = 69 Glucose = 6g Galactose = 0 Disaccharides Sucrose - 39 Lactose og Maltose = 0 g Polysaccharides Starch=69 Fiber = 3 g From these values, it can be concluded that the most significant type of carbohydrate in a banana is monosaccharide. This activity has you identify the most significant type of carbohydrate in common foods. Match the food with the one type of carbohydrate that is found in the highest amount in that food. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help white rice French fries milk soda pop made with high-fructose corn syrup All-Bran cereal table sugar white bread orange juice soda pop made with sucrose beans (legumes) Monosaccharide Disaccharide Polysaccharide-Starch Polysaccharide-Fiber This medical condition requires medication and cannot be treated by diet alone. Lactose intolerance This is a normal daily metabolic process; no treatment needed beyond regular dietary patterns. Weight gain Balance total kilocalories with hunger cues and energy expenditure. Ketosis Eat All-Bran cereal, berries, and milk. Liver breaks down glycogen and releases it into blood Eat soy milk with wheat flakes. Constipation Eating a significant amount of carbohydrate will cause this condition to subside quickly. Brush and floss teeth after meals. | Dental cavities Type I Diabetes
Polysaccharide starch - White rice, French fries, White bread, beans
Monosaccharide - Soda pop with HFCS, Orange juice
Disaccharide - Milk, Table sugar, Soda pop made of sucrose
Polysaccharide fibres - Bran cereals, beans
How to convey the informationThe other options can be illustrated thus:
The medical condition requires medications and cannot be treated with diet alone
Lactose
Normal daily metabolic process. -;No treatment needed
Liver breaks down glycogen and release it into blood
Balance total kilocalories with hunger cues and energy expenditure Weight gain
Eat all Bran cereals, berries and milk
Constipation
Eat soy milk with wheat flakes
Lactose intolerance
Eating significant amount of Carbohydrates relief this condition Ketosis
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reservoir hosts who are unaware of their ability to spread an infectious disease are identified as carriers.T/F
True. Carriers are defined as reservoir hosts who are not aware of their capacity to transmit an infectious disease.
The immune system's specialized cells and organelles provide the body with disease defense. We refer to this defense as immunity. PPE items like gloves, masks, and goggles operate as physical barriers to keep infectious agents away from the hands, skin, clothes, eyes, nose, and mouth.
An infectious agent is conveyed from a reservoir to a susceptible host through direct touch or droplet dispersal in direct transmission. Skin-to-skin contact, kissing, and sexual touch are examples of direct contact. Personal protective equipment usage (e.g., gloves, masks, eyewear).
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Which of the following people conducted the experiments that demonstrated that DNA is the genetic material of bacteriophages?
answer choices
Watson and Crick
Pauling
Franklin
Hershey and Chase
On bacteriophages, also known as bacteria-infecting viruses, Hershey and Chase conducted their experiments that were later known as the Hershey-Chase experiments.
The tests came after decades of scepticism among scientists regarding the composition of genetic material, which was either made up of DNA or proteins.
Alfred Hershey and Martha Chase carried out a series of experiments in 1952 that helped to establish that DNA is genetic material. These experiments are known as the Hershey-Chase experiments.
Martha Chase, a scientist, and Alfred Hershey
Although DNA had been known to biologists since 1869, many scientists at the time still believed that proteins carried the genetic information for inheritance because DNA appeared to be an inert molecule and because it was thought to be phosphorus storage due to its location in the nucleus.
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Natural Resources Unit Test
A farmer wants to properly manage her soil to prevent a situation like the Dust Bowl. What is the best way to manage the soil?
(1 point)
O remove humus from the soil
O water the soil frequently
O frequently dig the soil to get rid of unwanted plants
O allow plants such as grass to root in it.
A farmer wants to properly manage her soil to prevent a situation like the Dust Bowl therefore the best way to manage the soil is to allow plants such as grass to root in it which is therefore denoted as option D.
What is a Dust bowl?This is referred tom as a scenario in which the soil was prone to wind abrasion and other forms of erosion.
The best way to manage it is therefore to allow plants such as grass to root in it as it helps to prevent the soil from being bare and the grass ensures that it makes it hard for force such as wind or water to carry soil from one place to another.
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Which one of the following best characterizes the current worldwide population growth rate?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
increasing dramatically
unchanged over the last 30 years
increasing slowly
declining gradually
"The current worldwide population growth rate is increasing slowly" best characterizes the current worldwide population growth rate.
What is population growth?Population growth refers to an increase in the number of individuals in a population.
This growth can result from a combination of factors, including an increase in births and a decrease in deaths, as well as migration into a population from other areas.
In some instances, population growth can be rapid and lead to overpopulation, which can have a range of negative impacts on both the environment and human well-being. Conversely, in some populations, there may be a decline in population size, which can result from factors such as low birth rates, high death rates, or migration out of an area.
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true/false. temperature inversions occur during episodes of reduced air pollution. when surface temperatures are cooler than overlying air. when surface temperatures are higher than overlying layers of air. when there is good air drainage and ventilation of the surface air.
False. Temperature inversions occur when surface temperatures are warmer than overlying layers of air, and they are not necessarily associated with episodes of reduced air pollution.
During a temperature inversion, the warmer air near the surface becomes trapped under a layer of cooler air, which can prevent the vertical mixing of pollutants and lead to the accumulation of pollutants in the lower atmosphere. This is because the cooler air acts as a lid, preventing the warmer, polluted air from rising and dispersing.
In contrast, good air drainage and ventilation of surface air typically occurs when there is a stable atmospheric layer overlying the surface, which allows for the vertical mixing and dispersion of pollutants. This occurs when surface temperatures are cooler than overlying layers of air, which promotes the upward movement of air and the dispersal of pollutants.
It is important to note that air pollution and temperature inversions can be related, as episodes of high air pollution can exacerbate the negative effects of temperature inversions on air quality. However, the occurrence of temperature inversions is not directly related to the level of air pollution in the atmosphere.
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How many atoms and of which type would be found in a single molecule of methane?
Removing the top of a plant to create fuller growth involves which of the following
hormones?
A. auxins
B. ethylene
C. gibberellins
D. cytokinins
Answer: A
Explanation:
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Which of the following techniques would be best to use to study extremophiles that cannot be cultured in normal laboratory conditions?A. the polymerase chain reaction to amplify the DNA to have enough for further analysis B. spectrophotometry to measure the cell concentration C. peptide analysis to study protein fragments D. gas chromatography to study the lipid composition
The best technique to use to study extremophiles that cannot be cultured in normal laboratory conditions is A. the polymerase chain reaction (PCR) to amplify their DNA.
Extremophiles are microorganisms that live in extreme environments such as high temperatures, high pressure, high salt concentrations, or extreme pH levels. Many extremophiles are difficult to culture in the laboratory because they require specialized conditions that cannot be easily reproduced. However, PCR allows the amplification of small amounts of DNA, which can be used for further analysis, such as DNA sequencing or phylogenetic studies, without the need to culture the organism.
Spectrophotometry can be used to measure cell concentration in a culture, but it cannot be used to study organisms that cannot be cultured. Peptide analysis is a useful technique to study protein fragments, but it requires access to intact cells or cell lysates, which may not be available for non-culturable organisms. Gas chromatography is a useful technique for studying the lipid composition of cells, but it is not useful for studying DNA.
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category C agents such as Mycobacterium tuberculosis, hantavirus, and yellow fever viruses differ from category A and B agents in that____.
Hantaviruses, yellow fever viruses, and Mycobacterium tuberculosis are different among type A and B agents in this regard. new outbreaks of infectious diseases such the hantavirus and nipah virus.
What exactly are bioterrorism Category C agents?Zika virus, Bloodborne diseases, sneeze coronavirus pathogens, arthropod edema (TBE) virus complicated, yellow fever, plus multidrug-resistant tuberculosis are the current agents that the CDC has classified as category C. (MDR-TB).
The reason anthrax is in Category A?Based on the National cancer Institute and Prevention, anthrax is a Category A agent. Due to their ease of distribution and high probability of mortality or serious sickness, Category A agents are regarded as the greatest threat to national security.
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For each of the following statements, determine whether it refers to the theory of spontaneous generation or to biogenesis
1. Living cells can arise only from preexisting living cells. 2. Living cells can arise from nonliving matter under favorable conditions. 3. Microorganisms present in nonliving matter can lead to new microorganisms 4. Vital forces in nonliving matter can load to new life 5. Lite can arise spontaneously from nonliving matter. 6. Life can arise as a result of microorganisms present in nonliving matter.
Spontaneous generation= Biogenesis=
The concept that live things can spontaneously develop from inert materials is known as the notion of spontaneous generation, or abiogenesis. The idea of biogenesis holds that living things can only develop from other living things.
Living cells can arise only from preexisting living cells. - BiogenesisLiving cells can arise from nonliving matter under favorable conditions. - Theory of Spontaneous GenerationMicroorganisms present in the non-living matter can lead to new microorganisms - Theory of Spontaneous GenerationVital forces in the non-living matter can load to new life - Theory of Spontaneous GenerationLite can arise spontaneously from nonliving matter. - Theory of Spontaneous GenerationLife can arise as a result of microorganisms present in nonliving matter. - Theory of Spontaneous Generation (this statement implies that microorganisms can arise spontaneously from nonliving matter, which is part of the theory of spontaneous generation)To know more about the Theory of Spontaneous Generation:
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The humoral control of hormone release may be triggered which of the following factors? A) blood level of an ion like calciumB) blood level of a pituitary hormoneC) blood level of a hypothalamic hormone
D) nervous stimuliE) neurotransmitter activation
The blood level of an ion like calcium factors may cause the humoral control of hormone release to be activated.
A humoral stimulus is a change in the extracellular fluids, such as blood, or the ion concentration in the blood, which affects the release of hormones. For instance, a rise in blood glucose levels causes the release of insulin from the pancreas.
The amount of each hormone released is controlled by the endocrine system. The amount of hormones already present in the blood as well as other blood constituents, such as calcium, may play a role in this. Stress, infections, and alterations in the fluid and mineral balance of the blood are just a few of the many factors that can affect hormone levels.
Calcium from the duodenum walls is absorbed into the bloodstream by vitamin D in the digestive tract.
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In a certain species of insect, the gene for long antennae is dominant over
the gene for short antenna. What is the probability of offspring with short
antennae resulting from a cross between an insect with short antennae and
an insect heterozygous (hybrid) for long antennae?
75%
O 25%
0%
O 50%
In a certain species of insect, the gene for long antennae is dominant over the gene for short antenna. Therefore the probability of offspring with short antennae resulting from a cross between an insect with short antennae and an insect heterozygous (hybrid) for long antennae is 50% and is therefore denoted as option D.
What is Probability?This is referred to as the branch of mathematics concerning numerical descriptions of how likely an event is to occur.
A cross between an insect with short antennae and an insect heterozygous (hybrid) for long antennae are:
Ss × ss = Ss Ss ss ss
Therefore the ss is 2/4 which is 50%.
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when looking at an object, each individual eye calculates the physical location as being different. this indicates that the object is
The difference in picture where an object is viewed by left and right eyes as a result of the eye' horizontal separation is known as binocular disparity (parallax).
Why does the image that is created in our eyes differ from what we actually see?Images are created on each eye's retina during a process known as binocular vision. So because object is being seen from somewhat various perspectives, these photos are slightly different. The brain receives nerve signals from each vision, which it interprets as two perspectives of the same item.
What part of the eye is in charge of focusing light onto the retina?The term "cornea" refers to the transparent, spherical part of the eye. The light as enters the eye is refracted onto lens and then focussed onto the retina as a result of it. The cornea lacks blood vessels and is excruciatingly uncomfortable.
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