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ololo11 [35]
3 years ago
7

A thin extracellular layer upon which an epithelial rests is called"

Biology
1 answer:
ANEK [815]3 years ago
5 0

Basement membrane

A thin extracellular layer upon which an epithelial rests is called a basement membrane.

Basement membrane is a specialised form of extracellular matrix on which a layer of epithelial cells rests . The basement membrane is made up of a mixture of collagens, and glycoproteins such as perlecan, heparan sulphate and entactin. The basement membrane supports the overlying epithelium by preventing any association between the epithelial cells and the other cells present within the tissue. The basement membrane also functions as a molecular filter as it permit only water and tiny molecules to move through.


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Is the frog completely adapted to life on land
barxatty [35]

Answer:

No

Explanation:

There are numerous different species of frogs around the world, coming in different sizes, colors, and behaviors. All frogs though are still amphibians, practically meaning that they are animals that live both in water and land, or rather they need both in order to survive. At first look, the frogs maybe seem as well completely adapted to terrestrial life, but that is not the case, as the frogs still need water in order to be able to survive because their skin is not made to function without water for prolonged periods of time, they still have a body and limbs that are made for swimming, and they need water for hatching their eggs, as well as for the development of newly hatched frogs, as they do not have any limbs when they are born and can only swim until they develop them.

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3 years ago
Following a severe automobile accident, a client is scheduled to have surgery to either repair or remove his spleen, pancreas, a
riadik2000 [5.3K]

Answer:

The correct answer is: the extensive regeneration in parenchymal organs can only occur if the residual tissue is structurally and functionally intact.

Explanation:

The only parenchymal organ that can have proper regeneration is the liver. In other organs, regeneration is limited and can only happen with stable cell populations. <u>For these organs to regenerate, the residual tissue MUST BE structurally and functionally intact; if it isn't, it will be replaced with scar tissue</u>.

8 0
3 years ago
How does mutations result in genetic variation
zheka24 [161]
<span>Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring)</span>
4 0
3 years ago
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Yanka [14]

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Explanation:

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Depending on the location and the nature of the genetic defect, ( for example if the sequence TTGACA has been lost), a mutation in the promoter region of a gene may disrupt the normal processes of gene activation by disturbing the ordered recruitment of TRANSCRIPTION FACTORS (TFs) at the promoter.

RNA polymerase || is  just the main transcription enzyme.

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An observation which requires measurement is called:
Oduvanchick [21]
It is called quantitative date
3 0
3 years ago
Read 2 more answers
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