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hichkok12 [17]
3 years ago
7

What kinds of organisms require telomerase?

Biology
1 answer:
Anvisha [2.4K]3 years ago
8 0
Eukaryotes contain linear chromosomes and therefore require telomerase to prevent loss of the ends of the chromosomes
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Identify which type of natural selection is described in each case below.
ICE Princess25 [194]

Answer:

Results in the evolution of the species: Directional selection

Results in new species: Disruptive selection

Favors traits at the two extremes: Disruptive selection

No increase in diversity: Directional selection

One extreme trait is favored: Directional selection

Diversity decreases: Stabilizing selection

Diversity increases: Disruptive selection

Explanation:

Directional selection which is also known as positive selection is known to be a mode of natural selection. In this type of selection, an extreme phenotype is favored over other phenotypes. This makes the allele frequency to move in the direction of that phenotype and this takes place over time.

Disruptive selection (known to be diversifying selection) talks about the certain changes in the population genetics whereby extreme values of a particular trait are favored over intermediate values. This results in new species.

While Stabilizing selection is a natural selection whereby there is a stabilization of the population mean on the particular value of a non-extreme trait. Here the diversity is decreases.

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2 years ago
Why do populations of organisms fluctuate?
lianna [129]
As the world evolves, there is a change in the ecosystem, and with that comes the fluctuation. Organisms have have changing populations as they adapt, slowly die out, or thrive in the new ecosystem.
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3 years ago
Would it be A, B, C, or D?
MariettaO [177]
The answer is C because the chart shows that it produces more or less.
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3 years ago
17. The tails of phospholipid molecules in the cell membrane
Schach [20]

Answer:

C. Are hydrophobic

Explanation:

The plasma membrane consists of phospholipids. Phospholipids have a hydrophilic head, and hydrophobic tails that are in the interior of the plasma membrane.

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Witch example is not a basic need of all organisms?
Cloud [144]
It’s D . because , we’re living in we don’t need soil not everything needs soil to live .
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