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Eva8 [605]
2 years ago
8

Which statement about forces are correct

Biology
1 answer:
frozen [14]2 years ago
3 0

Answer:

you forgot picture and/or questions

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Researchers noted that when a lysine residue on a histone is acetylated, its side chain becomes neutral in charge. Combined with
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Answer:

The correct answer is A) Histone deacetylation generally decreases gene expression.

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Histones are the proteins that are responsible for the condensation of chromatin, which is directly linked to the capacity that a gene has to be expressed. The more condensed a gene is, the less expressible it becomes.

In order to regulate the gene expression, histones can suffer from many modifications that can change their conformation and the expressiveness of specific genes.

<u>Histone acetylation is linked with an increase of gene expression; while deacetylation and methylation decrease gene expression.</u>

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The evolutionary theory that suggests that a species can suddenly and rapidly evolve into a new species is ?
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<span>Punctuated Equilibrium/ Equilibria proposes that once species appear in the fossil record, the population  will be in the state of little or absent morphologic change. This is called a state of stasis. The theory further proposes that the population is confined to infrequent and geographical rapid events when significant evolutionary change happens.  The parent species will the split into two distinct species. This process if called cladogenesis.</span>

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Its A- A mutation causes cells to divide without stopping.

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Answer: Option D

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