By allosteric regulation an enzyme might be activated or inhibited. When a molecule regulates the activity of an enzyme by binding to a site outside of the active site, it is known as an allosteric molecule.
What is an allosteric molecule?Allosteric regulation occurs when molecules bind to the enzyme on another side, which is not the binding site. This is the allosteric site, and molecules binding to these sites are the allosteric molecules.
Allosteric molecules can be either,
Allosteric inhibitors → inhibit the enzyme activity by not letting the substrate get attached to the enzyme.Allosteric inhibition is non-competitive inhibition because the allosteric molecule does not compete directly with the substrate.
It attaches to the enzyme at another site, impeding the substrate to bind the enzyme and turning off its function.
Allosteric activators → change the active site and make it more efficient to bind the substrate.Allosteric activation is a cooperative process in which the enzyme function is enhanced. Some substrates can even work as allosteric activators for other active binding sites.
Allosteric enzymes can change their conformation, exhibiting active and inactive conformations as a result of substrate binding at the activated center and regulatory molecules at other binding sites -allosteric centers-.
According to this framework, When a molecule regulates the activity of an enzyme by binding to a site outside of the active site, it is known as an allosteric molecule.
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Why do you think it is necessary to cover the fossils in plaster?
Covering fossils in plaster is a common technique used to protect and preserve them. The main reason for covering fossils in plaster is to stabilize and protect the fossil from further deterioration. Fossils are often found in fragile and delicate states, and plaster provides a protective layer that helps to prevent further erosion or damage caused by exposure to the elements or handling. Plaster also provides a hard, durable surface that makes it easier to transport and handle the fossils without causing additional damage.
Additionally, the plaster can be used to make a mold of the fossil. This allows for a replica to be made which can be used for research, study or display, without risking damage to the original fossil.
Finally, plaster is also useful for reconstructing missing or broken parts of the fossil, which can make it easier to study and interpret the fossil.
In summary, covering fossils in plaster is necessary to protect and preserve them, to make a replica, and to reconstruct missing or broken parts.
What are 5 things you use that was invented by a biomedical engineer?
Biomedical Engineering knocked on the doors of innovation in the world of medicine and healthcare in the past year. Some of the major innovations are listed below:
Bio-Artificial Liver: Dr. Kennneth Matsumura came up with the idea of the bio-artificial liver which was totally a new approach. He thought of building a device that makes use of liver cells collected from animals instead of developing an apparatus to carry out the liver's functions. It is called "bio-artificial" because it includes both biological and manufactured parts.Camera Pill: With this invention the detection of the earliest signs of cancer became possible. It could detect early signs of esophageal cancer which was the fastest-growing type in the United States.iLIMB Bionic Hand: This became the world's first artificial hand to boast 5 individually powered fingers. It was invented by David Gow in 2007. The people who used this invention were able to grip objects of different shapes.Robots helping perform surgeries: Surgeons used robotic arms for surgeries for some time but in the 21st-century researchers are working on robots that could autonomously carry out different operations on patients.Elekta Axesse: It is one of the contemporary devices used today to treat cancer. This was created to treat tumors located in various parts of the human body.Learn more about biomedical engineers:
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The setup shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail. We know that plants can photosynthesize. We also know the product of photosynthesis is the reactant of cellular respiration. In this setup, which tubes contain an organism(s) that are capable of cellular respiration?.
According to the given information tubes 2, 3, and 4 contain an organism .
Simply put, what is cellular respiration?In the metabolic process known as cellular respiration, the cells of living things disassemble organic molecules in order to produce or release energy in the form of ATP. All living organisms engage in cellular respiration because ATP is a form of energy that all cells need to function.
In response to this inquiry involving four test tubes containing the following substances:
Tube 1 only has water in it.A live snail is in tube number two.A live, green water plant is present in tube 3.Tube 4 has a live green water plant as well as a live snail inside.Any living organisms present in the test tube will engage in cellular respiration.
Given that they have live green plants and snails inside, these test tubes are tests 2, 3, and 4.
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The complete question is-
The setup shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail. We know that plants can photosynthesize. We also know the product of photosynthesis is the reactant of cellular respiration.
In this setup, which tubes contains and organism(s) carrying on cellular respiration?
a) tubes 2 and 4, only
b) tubes 3 and 4, only
c) tubes 2, 3, and 4 only
d) tubes 1 and 2, only
What is your greatest skills as a nurse?
Communication is your greatest skill as a nurse. as it is the key to your success.
Nursing is more than a career. It is truly a vocation. It takes a special kind of caring character, a calm mind and inner strength to take care of people when they need it.
Beyond rigorous training and exam requirements, a good nursing career requires special skills and personality traits. Communication Her skills are one of the most important requirements for a nurse's job. Both following instructions and communicating with the patient and family. Sick and distressed patients are often unable to talk about themselves.
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Which of the following is not an observation or inference that Darwin made while developing his theory of evolution
A nursing home administrator sets up programs to give preferential treatment for minorities. This is being done because the current workforce at the nursing home is predominately white. What is the term for this policy?
Affirmative action is the term that is described in the given policy.
Affirmative action is a collection of policies intended to end illegal discrimination against candidates, address the effects of such discrimination in the past, and foresee future instances of such discrimination. Affirmative action plans for minorities and women, which include statistical and narrative components, and for veterans and people with disabilities, which only include a narrative section, are both necessary.The goal of affirmative action is to advance societal equality by giving socioeconomically disadvantaged individuals preferential treatment. These individuals frequently suffer disadvantages as a result of historical events like oppression or slavery.To know more about affirmative action here
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What is the role of triglycerides in the human body?
O Triglycerides send important chemical messages from one part of the body to another.
O Triglycerides serve an important role in the structure of cell membranes.
O Triglycerides store fatty acids, a major source of energy for cells.
O Triglycerides form a protective coating on outer body surfaces, making them waterproof.
The function of triglycerides inside the human body is to store fatty acids, which are a significant energy source for cells.
What does a high triglyceride level mean?Obesity and metabolic syndrome, a group of diseases marked by excess body fat around the hips, high blood pressure, high blood sugar, high blood sugar, and abnormal cholesterol levels, are two conditions which it increase the likelihood of heart disease and stroke and are frequently accompanied by high triglycerides.
What triglyceride level is dangerous?Heart disease risk may increase at levels over 150mg/dl. A risk factor in metabolic syndrome is a triglyceride ratio of 150 mg/dL or above.
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What are the possible blood types of a child whose father has type AB blood and whose mother has type O blood multiple choice question?
The possible blood types of a child whose father has type AB blood and whose mother has type O blood can be either A or B.
The ABO gene determines the blood type in humans. A, B and O are the three types of ABO genes. The genes A and B are dominant over gene O. There can be four possible blood types which are the O blood type (OO), A blood type (AO or AA), B blood type (BO or BB) and the AB blood type (AB).
If the father of a child has the AB blood type and the mother has the O blood type, then they must have the AB and OO genotypes respectively. When we cross them, we find two possible genotypes which can be present in the child which are either BO (B blood type) or AO (A blood type). Therefore, a child with father having AB blood and the mother having O blood can have either A or B blood type.
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A recessive pigment gene in Himalayan rabbits is only active at temperatures below 25 ° Celsius, turning the fur on the nose, ears, and feet black. A population of rabbits with the Himalayan trait is introduced into a new area where low temperatures are around 30 ° Celsius.
What is the chance that the rabbits will show the black trait? Enter the answer in the box.
The chance that the rabbits will show the black trait is likely to be low, as the recessive pigment gene is only active at temperatures below 25° Celsius.
How does the temperature affect the expression of the recessive pigment gene in Himalayan rabbits?The temperature affects the expression of the recessive pigment gene in Himalayan rabbits by determining whether or not the gene is active. At temperatures below 25 ° Celsius, the gene is active and codes for the production of an enzyme that darkens the fur on the nose, ears, and feet, resulting in the black coloration. At higher temperatures, the gene is not active and the enzyme is not produced, leading to the expression of the normal coloration. So the black trait is only present when the temperature is below 25 °C and is not expressed at higher temperatures.
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Is RR heterozygous dominant?
The heterozygous genotype (Rr) has the dominant round seed shape as its recessive allele (r) is masked in the phenotype.
Gene traitsgenes have the following characteristics:
1. Contains genetic information.
2. Each gene has different tasks and functions.
3. At the time of division of mitosis and meiosis can hold duplication.
4. Determined by the arrangement of nitrogen base combinations.
5. As a particle contained in the chromosome.
Gene symbolReporting from various sources, here are the gene symbols of each type:
1. Dominant Gene
Dominant genes are genes that can mask the expression of other genes, so that the traits that are carried appear in individuals. Dominant genes are represented by a capital letter, such as A and W.
2. Recessive Genes
A recessive gene is a gene that is covered by a dominant gene so that the trait it carries does not appear in its offspring. Recessive genes are written with lowercase letters, for example a and w.
3. Heterozygous Gene
Heterozygous gene is a fusion of two genes from sperm and egg cells. Heterozygous genes are symbolized by two letters consisting of one capital letter and one lowercase letter, for example Aa and Ww.
4. Homozygous Dominant Gene
Homozygous dominant gene is a combination of two dominant genes from male sex cells and female sex cells. Dominant homozygous genes are represented by two capital letters, such as AA and WW.
5. Recessive Homozygous Gene
Recessive homozygous gene is the result of the fusion of two recessive genes from the two sex cells. The symbol for a homozygous recessive gene is two lowercase letters, for example aa and ww.
6. Homologous Chromosomes
Homologous chromosomes are chromosomes from the female parent that are similar in shape to the chromosomes from the male parent.
7. Phenotype
Phenotypes are hereditary traits that can be seen directly. Examples are high, low, color, and shape.
8. Genotype
Genotypes are hereditary traits that cannot be seen. Like the symbols AA, Aa, and aa.
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A student made a model of an ecosystem in an aquarium.
The student used potting soil to represent land, water to
represent a pond, and a lamp to represent the Sun.
One limitation of the model is that it does not represent how living things
interact with the nonliving parts of an ecosystem. Which way of refining the model would best address this limitation?
A. Adding a fan that can circulate the air
B. Placing some aquatic plants in the water
C. Putting a timer on the lamp so that it turns off at night
D. Adding a water pump that can circulate the water
Placing some aquatic plants in the water is the refining the model would best address this limitation.
What is Ecosystem?An ecosystem is a region where different species of plants, animals, and other organisms coexist in harmony with the environment, including the climate and geography.
An ecosystem is a region where a bubble of life is created by plants, animals, and other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems.
Every component of an ecosystem is directly or indirectly dependent upon every other component. An ecosystem's temperature changes frequently have an impact on the types of plants that may flourish there, for example.
Therefore, Placing some aquatic plants in the water is the refining the model would best address this limitation.
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The method just described was used to create Dolly the Sheep. Dolly had
no father
but
two mothers
, an egg donor, a gene donor and a host.
This method of cloning works because egg cells are
---
and therefore
---
. This means they can grow into any type of cell as the embryo develops.
This method of cloning works because egg cells are pluripotent and therefore reprogrammable.
What do you mean by cloning?
Cloning is the process of creating genetically identical copies of an organism. This can be done through asexual reproduction, or it can be done artificially through methods such as genetic engineering. Cloning is a powerful tool used in biotechnology, and it has numerous applications in medicine, agriculture, and other areas. Cloning can be used to create genetically identical animals, plants, and even humans.
Pluripotent cells are stem cells that are capable of becoming any other type of cell in the body. This means that they have the ability to be reprogrammed into any other cell type, including those that make up an egg cell. This ability to be reprogrammed makes them ideal for cloning, as scientists can take a pluripotent cell and use it to create an egg cell that is genetically identical to the original cell. Once the egg cell is created, it can be used to create a clone of the original cell.
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Which of the following causes point mutation?A. DeletionB. InversionC. Both A and BD. None of the above
Point mutation occurs when a single nucleotide is deleted. Inversion is a type of chromosomal mutation in which a chromosomal region is reversed end to end. Correct option (a).
A mutation is a change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome.
Viral genomes can be made up of either DNA or RNA. Mutations occur as a result of errors in DNA or viral replication, mitosis, or meiosis, or other types of DNA damage (such as pyrimidine dimers caused by ultraviolet radiation exposure), which may then undergo error-prone repair (especially microhomology-mediated end joining), cause an error during other forms of repair or cause an error during replication (translesion synthesis).
Mutations can also occur as a result of the insertion or deletion of DNA segments caused by mobile genetic elements.
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Look at the diagram. What evidence can you find to show that the Pacific Plate is moving, but the hot spot is not?
(A) The diagram shows active volcanoes on the other islands.
(B) Hawaii is the only island that is on the hot spot.
(C) The diagram shows that the rocks on the other islands are younger.
(D) The ocean water keeps the other islands cooler.
The hot area is not moving, but the diagram depicts active volcanoes upon that neighboring islands that might be used to demonstrate that its Pacific Plate is moving.
Describe a volcano.An breach in the crust of the Earth throughout which lava, debris, and gases erupt is known as a volcano. The crescent landform that was created over time by numerous eruptions is also included in the word.
Why do volcanoes form?Water from subducting plate can be forced up, off, and down into mantle wedge during subduction. As a result, the mantle's melting point decreases and it melts, forming magma. A volcano will be created when this magma rises and leaks into the crust.
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What feedback exists between the evolution of life and the formation of soil
when a seed has a different germination rate when planted in soil conditioned by its own genotype ('home') than the same soil conditioned with another genotype ('away').
What is the relationship between soil and life?The soil is used by humans and other living things to break down these waste products into new resources. Other living organisms use these new materials. When a living thing perishes, its remains fall to the ground where biological and chemical processes transform them into fresh materials and sustenance for other living things. In addition to giving plants and trees nourishment, water, and minerals, soil also holds carbon and is home to countless numbers of insects, rodents, bacteria, and other microorganisms. Plants are consumed by animals, who then leave behind waste and finally die, adding to the soil. The soil starts to shift as a result.To learn more about soil refer to:
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Explain how just four nitrogen bases are able to communicate such a diverse instructions
Four nitrogen bases are able to communicate such diverse instructions because they are ordered in specific linear sequences that determine the expression of all proteins observed in an organism.
What are the four nitrogen bases in the nucleotides of the DNA sequence?The four nitrogen bases in the nucleotides of the DNA sequence are the types of bases to form the four types of nucleotides, which corresponds to Adenine or A, Guanine or G, Cytisine or C and Thymine or T. The linear order of nucleotides in the DNA sequence dictates the instructions to generate virtually any type of protein in the organisms.
Therefore, with this data, we can see that the four nitrogen bases in the nucleotides of the DNA sequence are required to form all types of proteins which depends on the linear order of nucleotides in DNA.
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Which is caused by the sun’s energy?
Answer: Solar energy warms the Earth, causes wind and weather, and sustains plant and animal life. The energy, heat, and light from the sun flow away in the form of electromagnetic radiation (EMR). The electromagnetic spectrum exists as waves of different frequencies and wavelengths
Explanation: Hope it helps
Of all the types of chromosomal mutations you have studied in this lesson, only one does not lose the genetic information of the chromosome. Which one is it? Explain the impact of this mutation?
Answer:
In biology, a chromosomal mutation is the mutation of the chromosomal segments of the DNA strands. This can occur when the number of chromosomes or chromosome sets (ploidy) increases or decreases in a genome as well as when changes in chromosomes structure occur. Irregularities or accidents when cell division happens as well as during chromosomal crossing over or fertilization can all be causes of chromosomal mutation.
All types of chromosomes can undergo chromosomal mutation. Chromosomal mutation examples include chromosome deletion, duplication, inversion, and translation. These are known to cause different kinds of genetic and chromosomal mutation diseases.
For instance, chromosomal mutations on chromosome 4 have been investigated and proven to be the source of numerous genetic disorders and even cancer in humans. This includes conditions like narcolepsy and Parkinson’s disease.
Charles darwin originally published the idea that all species have descended over time from common ancestors. This idea is known as evolution. Evolution is best categorized as.
Evolution is best categorized as a scientific theory supported by evidence.
The process of evolution resulted in the emergence of many species of living things in this world. All living things have different species and these differences can be proof that the theory of evolution occurs in nature.
Darwin's theory of evolution is more accepted than Lamarck's theory of evolution because there is evidence of evolution that supports Darwin's theory, such as the geographic distribution of species (biogeography), the fossil record, comparative anatomy, and molecular biology research.
Some things that can be used as clues or evidence of the evolutionary process include fossils, anatomical comparisons, embryological comparisons, biochemical comparisons, remaining organs (vestigial organs), and domestication.
From the description above, evolution is best categorized as a scientific theory that is supported by evidence.
This question is a multiple choice:
A. a scientific hypothesis that has not been researched.
B. an unproven observation about a small number of organisms.
C. a scientific fact that has not been modified since Darwin's time.
D. a scientific theory that is supported by evidence.
The correct answer is D.
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What are this chances of producing a normal son (bull)?
The chances of producing a normal son (bull) would be 50%.
Sex-linked monohybrid crossingThe rabbit hock defect is sex-linked and recessive. This means that male bison (bulls) can either be affected or totally free from the defect while female bison (cows) can be affected, unaffected, or be a carrier for the defect.
Assuming the rabbit hock allele is a.
Genotype of a normal herd bull = [tex]X^AY[/tex]
Genotype of a carrier cow = [tex]X^AX^a[/tex]
[tex]X^AY[/tex] x [tex]X^AX^a[/tex]
[tex]X^AX^A[/tex] [tex]X^AX^a[/tex] [tex]X^AY[/tex] [tex]X^aY[/tex]
The possible genotypes of the resulting bull are [tex]X^AY[/tex] and [tex]X^aY[/tex]. Thus, the chances of producing a normal bull would be 50%.
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Part F: Brainstorm Ideas
Brainstorm ideas for your house. Think about devices, appliances, and building materials you want your house to have. In addition, these computer tools might help you brainstorm some ideas.
This calculator gives you the average energy use of household appliances, so you can research energy-saving alternatives.
This quiz can tell you what your carbon footprint is and how to reduce it in your home. Consider turning some of the questions into energy solutions. For example, one of the questions is, Do you turn off your faucets? If water supply is a concern in your region, perhaps faucets that turn off automatically might be an eco-friendly solution.
This database provides information about air emissions rates in a region. Search the ZIP code for the location you chose and select one of the electrical companies listed. Then scroll down to see how much of the energy in this ZIP code comes from renewable and nuclear energy (a non-renewable, cleaner energy source) compared to fossil fuel sources (oil, coal, and gas). Bar graphs compare the ZIP code's energy profile to the national average.
Write down your ideas for the house you’ll design. Explain how those ideas can reduce carbon dioxide emissions and preserve natural diversity.
Several market modifications are available to reduce carbon emissions, such as the introduction of solar panels in the house, energy-efficient appliances, rainwater harvesting, and so on.
What is the significance of controlling carbon emissions?Carbon dioxide emissions cause global warming in large quantities and are released from various electrical appliances in the home, so they can be controlled at the individual level by changing the house structure, such as using solar panels, rainwater harvesting, low-VOC paints, and so on.
Hence, several market modifications are available to reduce carbon emissions, such as the introduction of solar panels in the house, energy-efficient appliances, rainwater harvesting, and so on.
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When does DNA replication occur.
Answer:
S Phase
Explanation:
DNA replication occurs during the S Phase of cell division and they must replicate before they can divide.
Predict the two possible outcomes if temperature or ph were changed within the molecular control system of cell division.
Answer:
The mitosis process will either be decreased or increased depending on how the temperature changes
Explanation:
Which greenhouse gas is released from burning fossil fuels?
Answer: Carbon Dioxide
Explanation:
Carbon dioxide is the greenhouse gas which is released from burning fossil fuels.
Greenhouse gases are gases capable of absorbing infrared light and trapping heat in our atmosphere. Greenhouse gases cause the greenhouse effect or global warming.
The greenhouse gases are so named because their action is comparable to how glass walls trap heat inside a greenhouse. Carbon dioxide is the principal greenhouse gas generated by the combustion of fossil fuels, but tiny quantities of nitrous oxide and methane are also emitted.
Fossil fuels consist of coal, oil, and gas. Hydrocarbon molecules serve as the foundation for these fuels. As a result, when these fuels are burned, carbon dioxide is released. Some fossil fuels contain components that emit nitrous oxide or methane.
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what does it mean if the 23rd pair of chromosomes reads XY in humans
A. female
B. male
C. mutated
If the 23rd pair of chromosomes read XY in humans then is read as a B. male because in humans we have two sex chromosomes.
What are the sex chromosomes X and Y in the human species?The sex chromosomes X and Y in the human species are two different chromosomes when compared to the autosomal somatic chromosomes which specify the sex of an individual, If an individual inherits two X chromosomes then it is female, but if an individual inherits one Y chromosome and a Y chromosome then it is male.
Therefore, with this data, we can see that the sex chromosomes X and Y in the human species are those chromosomes that specify the sex in humans and the presence of one Y chromosome leads to the generation of an individual with male sex features instead of autosomal chromosomes.
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questions.
Online Content: Site 1
Compare and contrast the four types of dams. (Site 1)
The four types of dams are Diversion dam, Cofferdam, Storage dam, and Detention dam.
How do dams work?Dams are man-made constructions placed on water bodies like rivers and streams to control the water flow there.
Diversion dam: These are dams designed to change the direction of the flow of water in a body of water.Cofferdam: These are temporary dams built to contain water while construction is taking place close to a water body.Storage dams are dams designed to hold water in a body of water when it rains. In order to generate energy or for agricultural use, this water is stored. Detention dam: These are dams designed to regulate the amount of water in a body of water during a flood.How are the four different types of dams compared?Diversion dams are smaller in height than other types of dams.Diversion dams are less capable of storing water than other types of dams.In contrast to other dams, cofferdams are constructed for short-term use.Compared to other dams, cofferdams are more environmentally benign.Storage dams differ from conventional dams in that they store water for later use.In contrast to other dams The flood water in the body of water is controlled by detention dams.Learn more about dams here:
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Answer:
The GPS information can be used in automobiles, be used as a highly accurate watch and in precision agriculture.
One of the most popular uses of GPS is its use in automobiles, where GPS allows access to maps that indicate the paths that a driver must follow to reach a certain place of interest.
GPS can also be used as a highly accurate watch. This use is made in estuaries that need to measure microseconds, which are only measured efficiently with GPS.
Finally, GPS can be used in precision agriculture, storing productivity data, creating productivity maps and optimizing the application of fertilizers and irrigation.
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Perspective is the way a person sees or views things and a person can have a different perspective from another person.
What is perspective?
Perspective is a way of regarding situations or topics etc. Its synonyms include position, view, et.
Point of view is the way an author or a person tells a story. There are three main types of point of view, they include First-person, Second-person, and Third-person. Perspective is the way a person sees or views things and a person can have a different perspective from another person.
he four types of dams are Diversion dam, Cofferdam, Storage dam, and Detention dam.
How do dams work?
Dams are man-made constructions placed on water bodies like rivers and streams to control the water flow there.
Diversion dam: These are dams designed to change the direction of the flow of water in a body of water.
Cofferdam: These are temporary dams built to contain water while construction is taking place close to a water body.
Storage dams are dams designed to hold water in a body of water when it rains. In order to generate energy or for agricultural use, this water is stored.
Detention dam: These are dams designed to regulate the amount of water in a body of water during a flood.
How are the four different types of dams compared?
Diversion dams are smaller in height than other types of dams.
Diversion dams are less capable of storing water than other types of dams.
In contrast to other dams, cofferdams are constructed for short-term use.
Compared to other dams, cofferdams are more environmentally benign.
Storage dams differ from conventional dams in that they store water for later use.
In contrast to other dams The flood water in the body of water is controlled by detention dams.
Explanation:
got it on edge
HELP PLSS I AM TOO NON-SMART FOR THIS (20 points)
Where do we get the energy to turn ADP into ATP?
a
From the air we breathe
b
From the sun.
c
From the water we drink.
d
From the food we eat.
Answer: d. from the food we eat
Explanation:
ADP is turned into ATP (energy) when our body has excess energy after we break down the food we have consumed. It stores the excess energy by reattaching a free phosphate molecule to ADP, making it ATP (energy) again.
If Maurice Wilkins had not shown the X-ray diffraction images to James Watson, how might history have turned out differently?
Note that if Maurice Wilkins had not shown the X-ray diffraction images to James Watson, it is likely that the discovery of the double helix structure of DNA would have been delayed or made by someone else. It highlights the importance of collaboration in scientific discovery.
Who was Maurice Wilkins?Maurice Hugh Frederick Wilkins CBE FRSwas a British biophysicist of New Zealand origin who contributed to the scientific knowledge of phosphorescence, isotope separation, optical microscopy, and X-ray diffraction, as well as the creation of radar.
He is well renowned for his work on the structure of DNA at King's College London.
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A plant that grows towards light shows which of the following
A plant that grows toward light shows a mechanism known as Phototropism.
What is Phototropism?Phototropism may be defined as the tropic movement of plants in response to light. In this case, light functions as a stimulus, and the plant expresses growth movement in the direction of the stimulus, that is light. Phototropism is exhibited due to auxin which is a plant growth hormone.
Basically, the shoot of plants exhibits positive phototropism as it grows in the direction of light. It is one of the many plant tropisms or movements which respond to external stimuli. Growth towards a light source is called positive phototropism, while growth away from light is called negative phototropism.
Therefore, a plant that grows toward light shows a mechanism known as Phototropism.
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sections of copied dna created on the lagging strand.T/F
Sections of copied dna created on the lagging strand. True. These short DNA segments are called Okazaki fragments.
DNA replication is the process of doubling the DNA chain assisted by DNA polymerase before mitosis. DNA polymerase forms new DNA strands with the help of primase enzymes.
The lagging strand is the synthesized DNA strand and is located in the 5'→3' direction at the replication fork. The synthesized DNA strand is called an okazaki fragment, in which primase forms the RNA primer. During the replication process, the nucleotides will be added to the end of the sugar from the Okazaki fragment with the help of the DNA ligase enzyme so as to form a complete unit.
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