Answer:
DNA -> Gene -> Chromosome -> Genome
Explanation:
A genome is an organism's complete set of DNA including all of its genes. Each genome contains all of the information needed to build and maintain that organism. Chromosomes are the threadlike structures located inside the nucleus of animal and plant cells. A gene is the basic physical and functional unit of heredity.
The material and components that are vital for the growth and functioning of an organism that gets inherited from parent to offspring are the components of genetic information.
From simplest to complex they are arranged as:
DNA ⇒ Gene ⇒ Chromosome ⇒ Genome
DNA is the deoxyribose nucleic acid and is the genetic material that transports the instruction for development and function for growth. Gene is a unit of hereditary that codes for gene products.DNA molecules packed as a thread-like structure is called chromosomes.The entire set of genes that pass from parent to offspring is called the genome.To learn more about genome and genes follow the link:
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The continuous, low-level extinction of species is referred to as ___ extinction.
The continuous, low-level extinction of species is referred to as mass extinction.
A widespread and quick decline in the diversity of life on Earth is known as an extinction event. A sudden shift in the diversity and abundance of multicellular creatures serves as a telltale sign of such an occurrence. It happens when the rate of diversification outpaces the rate of extinction.A mass extinction event occurs when a species disappears far more quickly than it is replaced. This is typically understood as the loss of almost 75% of all species over a "short" period of geological time, or fewer than 2.8 million years.The Cretaceous-Paleogene extinction, sometimes known as the day the dinosaurs died, is the most well-known of all the mass extinction events.
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The critical element of Mendel's research focus was to use ______ strains that differed with regard to only one gene
The critical element used in Mendel's research was the Pea plant strain that differed in only one gene.
What is meant by a Strain?Within a biological species, a strain is a genetic variety, a subtype, or a culture.
The examples of pea plant strain that only differed by one gene are as follows:
Height of the pea plant ( tall or dwarf)Color of the flower ( white or purple)Types of seeds (round or wrinkled)Learn more about Mendel's experiment with the help of given link:
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How do cells become different types of tissues that work together in organ systems?.
Children in northern regions experience months of inadequate sunlight exposure on the skin. to prevent possible abnormal bone development, what essential organic nutrient is necessary in the diet?
Children in northern regions experience months of inadequate sunlight exposure on the skin. to prevent possible abnormal bone development, cholecalciferol is an essential organic nutrient is necessary in the diet.
In some foods and as a dietary supplement, cholecalciferol, sometimes referred to as vitamin D3 and cholecalciferol, is a form of vitamin D that is produced by the skin when it is exposed to sunlight.People who reside in subpolar and polar regions need more vitamin D. Long winter nights cause less sun exposure, which explains why.Inuit bodies have adapted to the cold, a diet high in meat, and a low UVB environment where vitamin D production in the skin is difficult.The majority of people who live in northern latitudes require vitamin D during the winter to maintain adequate amounts of circulating 25(OH)D3 for maintaining good body function and preventing illnesses.learn more about cholecalciferol here: https://brainly.com/question/4551554
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Apply darwin’s four postulates to the galápagos finch case study to verify that natural selection has occurred.
Darwin's observed the Galapagos finches has graded series of break size and shape ,predicted that species were modified from one original mainland species.
He observes that beak shape varies among finch species that beak of an ancestral species had adapted over time to equip the finches to acquire different food sources. His main purpose for asking evolutionary questions about adaptation and the multiplication of species.
Finches beak shapes that corresponded to the main food source on that island, many branches of science are contributed in Darwin's theory of natural selection. This is important because isolated group of birds have evolved to match their niche diets and its a clue for Charles Darwin in his theory.
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Coral in the ocean grows by budding, where the new organism grows out of the old one by mitosis. this form of replication is an example of:____.
Coral in the ocean grows by budding, where the new organism grows out of the old one by mitosis. this form of replication is an example of asexual reproduction.
Asexual reproduction is a type of reproduction that does not involve gamete fusion or changes in the number of chromosomes. Progeny resulting from asexual reproduction from unicellular or multicellular organisms inherits the complete set of genes from a single parent.
Asexual reproduction is a type of reproduction in which a single parent gives birth to new offspring. Newly produced individuals are genetically and physically identical. That is, they are clones of their parents. Asexual reproduction is observed in both multicellular and unicellular organisms.
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Scientific name of
Raw fish?
Answer:
The scientific name is Pellona sardinão.
Explanation:
Hope this helps!
If not, I am sorry.
Zebras and other grazers band together when grazing. which type of behavior is this?
The behavior of zebras and other grazers banding together while grazing indicates their social behavior to protect themselves and their group mates from predators.
Grazing: It is a process in which herbivores roam from one place to another in search of grass, small plants, etc which are the main source of food for them. It involves forage search, selection of forage, and eating the selected forage. Different animals differ in the type and method of searching and eating forage. This different grazing behavior makes them different from one another.
Although, one common thing which is observed in these grazing animals is the practice of grazing in bands or groups. This is generally noticed in the area where they have more danger from predators so they practice this banding method as a protective measure because predators find it difficult to attack groups and they get less chance to kill a lone individual.
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Along with other distinct traits, robust australopithecines had large __________ adapted for grinding food. Group of answer choices temporalis muscles and a sagittal crest front teeth and small back teeth premolars, molars, temporalis muscles, and a sagittal crest premolars and molars
Along with other distinct traits, robust australopithecines had large temporalis muscles and a sagittal crest, and large premolars and molars adapted for grinding food.
Robust australopithecines belong to the Australopithecus genus, they are known as robust because of their dietary adaptations that allowed them to eat hard and fibrous food that needs vigorous chewing and grinding.
They were adapted to eat seeds, nuts, plant roots, tubers, etc. They had large temporalis muscle (major muscle for chewing) and a large sagittal crest for attachment of temporalis muscle to the skull for chewing hard and fibrous foods.
They also had large premolars and molars to aid in chewing tough plant materials like roots and tubers.
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In the α helices of transmembrane proteins, the hydrophobic side chains face which direction?
In the α helices of transmembrane proteins, the hydrophobic side chains face the outside of the membrane-spanning helix.
Transmembrane proteins are a type of integral membrane protein that spreads throughout the cell membrane. Many transmembrane proteins act as gates that allow the transport of certain substances across the membrane.
Transmembrane proteins basically act as gates or docking sites that allow or prevent substances from crossing the cell membrane.
Transmembrane proteins penetrate the entire plasma membrane. Transmembrane proteins are found in all types of biological membranes. Monotopic proteins are permanently attached to the membrane from only one side
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The end products of digestion of carbohydrates are ________
Answer:
glucose, fructose and/or galactose
How do xenoturbellida relate to hemichordates and nonvertebrate chordates?
The deuterostome group's gene arrangement in the mitochondrial genome of Xenoturbella bocki is remarkably close to that of the chordates and hemichordates and hence to the ancestor deuterostome gene order. Inversion and breakpoint studies particularly point to a similarity to the hemichordates.
Previous morphological investigations imply that Xenoturbella could be classified as a bivalve mollusc, a basal bilaterian, a turbellarian flatworm, a sister group to the echinoderms(nonvertebrate), or a hemichordate. Recent genetic analyses that focus mostly on nuclear genes appear to favour the Ambulacraria (echinoderms + hemichordates). In contrast, a basal deuterostome location is supported by mitochondrial sequences.
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the researchers chose to determine co-culture all samples in the presence of interleukin-5 a cytokine. what is the most likely reason for this decision
Interleukin-5 can both promote the growth of B cells and eosinophils which are cleared when not exposed to IL-5.
What is Interleukin-5?Interleukin-5 (IL-5) is a cytokine that induces the growth of different immune cells including B cells and eosinophils.
In consequence, in this case. it is expected to observe the outcome (immune response) of immune cells in the presence of IL-5.
In conclusion, Interleukin-5 can both promote the growth of B cells and eosinophils which are cleared when not exposed to IL-5.
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Before transplanting your organs, all doctors and medical personnel must first?
Before transplanting your organs, all doctors and medical personnel must first make all efforts to save the life.
What is organ transplantation?Organ transplantation refers to the medical procedures to extract an organ in an individual to be used in another patient, which depends on antigen compatibility.
Organ transplantation always occurs after consent of involved persons/patients without exception.
In conclusion, before transplanting your organs, all doctors and medical personnel must first make all efforts to save the life.
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Based on the predictions of metapopulation biology, which scenario can be expected to exhibit the largest fraction of occupied habitat patches?
Meta-population is the patchiness of population in space and its role is dynamic, population insatiability, coexistence of species , the maintenance of diversity.
Metapopulation is colonization and extinction dynamics. The variable of prime concern is the proportion.As the population largest approaches the environment carrying resources become more scare and growth rate slows.
The maxima carrying number of species in environment can support indefinitely .A group of spatially separated population of similar organism which interact at some levels.It s population in which multiple populations as butterflies and cool reef fishes.Humans are evolved from multiple interconnected spread out across Africa in large meta-population.
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A large, old tree deep in the forest was knocked down in a windstorm. as it fell, it pushed four other somewhat smaller trees down with it, opening up quite a large patch of sunlight in an area that had been shady for many decades. what is most likely to happen in the sunny patch in terms of plant growth? no plants will be able to grow in it until neighboring trees shade it more. seeds of sun-loving plants will germinate and grow in it. primary succession will start with very small plants or lichens. shade-loving plants will grow in it, since it is in the forest.
Seeds of sun-loving plants will germinate and grow in it.
Gap dynamics in forestsForests generally have different layers of trees. Thus, the ground layer of forests is usually barren or dominated by a few shade-tolerant plant species.
When gaps emerge in an otherwise close canopy either naturally or by other means, the dynamics of plant population on the ground layer change.
If the ground layer is barren before due to shade, propagules of sun-loving plant species will colonize and begin to germinate in the gaps. If the layer has some shade-tolerant herbs before, competition for space starts between the sun-loving and shade-tolerant species.
With time, the shade-tolerant species die off and are replaced by sun-loving plant species.
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Answer: Seeds of sun-loving plants will germinate and grow in it.
Explanation:
pretty simple
more sun= more sun
plants who need more sun will grow more
plants who need more shade wont do as well hence the name
primary sucession has nothing to do with this
no plants will grow isnt true cuz it literally says there is more sun and there is more space
just use process of elimination
An inherited defect in the ability to produce hemoglobin, usually seen in persons of Mediterranean background is: Aplastic anemia Pernicious anemia Sickle cell anemia Thalassemia 15.
An inherited defect in the ability to produce hemoglobin, usually seen in persons of Mediterranean background is thalassemia.
What is anemia and how it causes?Anemia is a condition where there are either too few red blood cells or too little hemoglobin in them.Iron-deficiency anemia, pernicious anemia, aplastic anemia, and hemo- lytic anemia are the three types of anemia.The immune system targeting the stem cells in your bone marrow is the most frequent cause of aplastic anemia. Radiation and chemotherapy treatments are two more variables that might harm bone marrow and alter blood cell formation.Aplastic anemia that runs in the family is transmitted genetically from father to offspring. Compared to acquired aplastic anemia, it is typically diagnosed in childhood and is significantly less frequent.
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Acute gastroenteritis that occurs after an incubation period of two to three days, persists for about a week, and commonly affects children is probably caused by_______.
Acute gastroenteritis that occurs after an incubation period of two to three days persists for about a week, and commonly affects children are probably caused by Rotavirus.
Rotavirus is an endemic that causes signs of extreme diarrhea, vomiting, fever, and dehydration. it is without problems spread amongst people. Rotavirus usually causes excessive, watery diarrhea and vomiting in toddlers and young kids. youngsters may become dehydrated and need to be hospitalized.
Rotavirus is most often spread via a fecal-oral direction. that is frequently due to the fact a child does now not wash his or her hands nicely or often enough. it is able to additionally be due to eating or consuming infected meals or water. The virus might also stay on surfaces such as doorknobs, toys, and other hard objects for a long term.
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Using whole blood as the specimen of choice in an automated analytical system Group of answer choices essentially eliminates specimen preparation time. allows the operator to use a secondary tube for analysis. keeps the specimen from undergoing degradation. allows for the avoidance of carry-over.
Using whole blood as the specimen essentially eliminates specimen preparation time.
Whole Blood
Whole blood contains both the liquid fraction and the cellular elements. The liquid fraction is the blood plasma and the cellular components are RBCs, WBCs, clotting factors, etc. The whole blood is drawn from a person and transferred to plain tubes with different color tops. The color tops indicate what the contents inside the tube are.
Whole blood is used for running various tests as it reduces the time spent preparing individual specimens. It also helps to reduce errors and limits human input to a bare minimum since the system is highly automated. Also, the whole blood sample contains all the elements of blood which allows the investigator to perform a multitude of tests least of which includes the complete blood count test.
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How would you interpret a micrograph that shows a cuboidal cell without a nucleus?
When preparing the slide, the blade did not cut through the nucleus.
Cuboidal epithelial cells have a single, central nucleus and are cube-shaped. They are typically found in glandular tissues all throughout the body in a single layer, such as a simple epithelium, where they manufacture and secrete glandular material.To prepare a slide:
Put a drop of liquid in the middle of the slide to prepare it.Place the sample on the liquid with tweezers.Place one cover slip side against the slide at an angle such that it makes contact with the outer border of the liquid drop.Slowly lower the cover to prevent air bubbles.Utilize the paper towel to absorb any extra water.learn more about slide here: https://brainly.com/question/27127116
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What are the correct molar coefficients for balancing the following chemical reaction?
(NH4)3PO4 +
HCI →
NH4Cl +
H3PO4
The correct molar coefficients will be 1, 3, 3, and 1 respectively.
Balancing chemical equationsA balanced chemical equation is an equation that obeys the law of conservation of atoms.
In other words, the number of atoms of the elements in the reactants must be equal to the number of atoms of the same elements in the products.
Hence in the reaction with the chemical equation: [tex](NH_4)_3PO_4 +HCI --- > NH_4Cl +H_3PO_4[/tex]
The number of atoms of N, H, P, O, and Cl in the reactants must be the same as in the products.
Thus, the balanced equation of the reaction, in this case, will be:
[tex](NH_4)_3PO_4 +3HCI --- > 3NH_4Cl +H_3PO_4[/tex]
Therefore, the correct molar coefficients for balancing the equation are 1, 3, 3, and 1 respectively.
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A moving blood clot is called a(n)
Answer:
A blood.clot is also called a THROMBUS
What tissue type can be found bridging the two halves of the once severed muscle bellies?
Connective tissue is the answer.
A tissue that supports, protects and gives structure to other tissues and organs in the body. Connective tissue also stores fat, helps transport nutrients and other substances between tissues and organs, and helps repair damaged tissue.
There are four classes of connective tissue: blood, bone, cartilage, and auto connective tissue. They are further subclassed and typed: I want you to be able to identify all the different types of connective tissue and learn their position in the body.
Examples of special connective tissues are adipose tissue, cartilage, bone, blood and lymph.
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PLS HELPPP WILL MARK BRAINLIEST IM DESPARETE
The patella is a(n) _____________bone found in the ___________________. (2 points)
long; appendicular skeleton
irregular; appendicular skeleton
flat; axial skeleton
short; axial skeleton
Answer:
(b) irregular, appendicular
Explanation:
You want to know the shape and location of the patella in the human skeleton.
PatellaThe patella is also known as the kneecap. It is a smallish irregularly-shaped bone that is part of the leg.
Appendicular skeletonThe appendicular skeleton includes the limbs, the shoulder girdle, and pelvis. As the patella is part of each lower limb, it is included in the appendicular skeleton.
The patella is an irregular bone found in the appendicular skeleton.
What describes the relationship between a dominant and recessive allele?
Answer:
Dominant refers to the relationship between two versions of a gene.
Explanation:
Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles of a gene are different, one allele will be expressed; it is the dominant gene. The effect of the other allele, called recessive, is masked.
If you suspect your culture of bacteria has 23 x 106 cells per mL, what would you want the final dilution to be in order to end up with 96 colonies of bacteria on a petri dish
The dilution factor in order to end up with 96 colonies of bacteria is 0.23 × [tex]10^6[/tex] .
For calculating the colony forming unit bacteria;
Colony-forming unit (CFU or cfu) is a measurement of live bacterial or fungi cells and is used to calculate the colony-forming unit of bacteria. CFU counts only viable cells as opposed to direct microscopic counts, which count all cells, both living and dead, using a hemocytometer. Colony-forming units per milliliter (CFU/mL) for liquids and colony-forming units per gram (CFU/g) for solids are used to indicate the results for convenience. The miles and Misra method can be used to compute CFU, which is helpful for assessing the microbiological load and severity of illness in blood and other samples.
∴ cfu/ml = (no. of colonies x dilution factor) / volume of culture plate
23 x [tex]10^6[/tex] cells per mL = 96 × dilution factor
Dilution factor = 23 ×[tex]10^6[/tex] / 96
Dilution factor = 0.23 × [tex]10^6[/tex]
Therefore, the dilution factor in order to end up with 96 colonies of bacteria is 0.23 × [tex]10^6[/tex] .
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PLSSS HELP I WILL MARK BRAINLIEST I TRULY NEED HELP IM GONNA FAIL
You are an anthropologist analyzing bone remains from the grave of an ancient female human. Within one of the bones, you find an unusually high concentration of collagen. What does this suggest about the ancient female? (2 points)
She broke a bone and then died before it was fully healed.
She broke a bone and then died a few hours later.
She broke a bone at a very young age, but it fully healed.
She broke a bone at a very young age, but it did not fully heal.
Answer: C
Explanation:
Which pattern of inheritance would explain the different fur color in the related dogs?
Answer:
B/b alleles.
from a presentation
In the electron transport chain, electrons are shuttled through a series of membrane proteins, which creates a gradient of:__________
Electrons are shuttled through a series of membrane proteins, which creates a gradient of: Proton across the thylacoid membrane.
The electron shipping chain is a series of electron transporters embedded in the internal mitochondrial membrane that shuttles electrons from NADH and FADH2 to molecular oxygen.
Within the electron shipping chain, electrons are handed from one molecule to any other, and electricity released in these electron transfers is used to form an electrochemical gradient. In chemiosmosis, the electricity saved within the gradient is used to make ATP.
A proton gradient is shaped via two quinol oxidations at the Qo site to form one quinol at the Qi website online in general six protons are translocated: two protons lessen quinone to quinol and 4 protons are launched from ubiquinol molecules.
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In the electron transport chain, electrons are shuttled through a series of membrane proteins, which creates a gradient of Protons.
A Proton Gradient is needed in ETS which is the result of the transfer of the electrons flowing through the ETS complexes. ETS pumps the protons from matrix of organelle to the intermembrane space.
Following are the complex that are involved in the ETS:
Complex I - NADH DehydrogenaseComplex II - Succinate DehydrogenaseComplex III - Cytochrome bc1Complex IV - Cytochrome c oxidaseComplex V - ATP Synthetase complexThe flow of electrons through ETS Complex generates a proton gradient which is needed for the synthesis of ATP through the Complex V - ATP Synthetase complex.
ETS is called as Oxidative Phosphorylation which is the indirect production of ATP . The final acceptor of electron is Oxygen in ETS.
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Secondary lymphoid organs, such as the lymph nodes, spleen, and mucosa-associated lymphoid tissues, each have distinct features that are important for their role in initiating immune responses focused on different anatomical compartments (i.e., the peripheral tissues, the blood, or the gastrointestinal tract, respectively). Yet these organs share some overall structural features, such as distinct
One major difference between these secondary lymphoid organs is the mechanism by which antigens or pathogens enter the organ.
Naive T cells can develop into effector and memory T cells, which remove the triggering antigen in peripheral tissues and produce protective immunity, with the help of secondary lymphoid tissues.
The spleen, which collects bloodborne antigens, the lymph nodes, which deal with antigens found in peripheral tissues, and the mucosa-associated, bronchial-associated, and gut-associated lymphoid tissues where antigens from epithelial surfaces are collected are examples of secondary lymphoid organs.
Therefore, One major difference between these secondary lymphoid organs is the mechanism by which antigens or pathogens enter the organ.
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