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klio [65]
3 years ago
11

Bernice is preparing a report on evidence for the common ancestry of species. She includes the figure of forelimbs shown.

Biology
1 answer:
Svetlanka [38]3 years ago
5 0
C. homologous structures would be the correct answer!! just took the test :)
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One form of chromatin modification is acetylation, which is known to occur on positively charged histone tail amino acids, thus
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Answer:

A. The tails do not interact with the DNA

Explanation:

The acetylation refers to the transfer of the acetyl group from Acetyl-CoA to the N-terminal of the histone protein.

Lysine residues (positively charged amino acid) are present at the end of the N-terminal of the histone protein which is neutralized by the acetyl group.

This loses the compaction between the positively charged histone and the negatively charged DNA and the DNA becomes more relaxed. This relaxed state allows the transcription factors to easily bind the DNA and therefore the DNA becomes transcriptionally active.

Thus, Option-A is correct

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3 years ago
Opposite of cellular respiration
Lelechka [254]

Answer:

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2 years ago
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What defines a group of interbreeding individuals that are reproductively isolated from other such groups?
Vika [28.1K]

Answer:

Biological species.

Explanation:

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The biological species concept explains that the group of interbreeding population that has the ability to reproductively isolated from the other such group.

Thus, the correct answer is option (c).

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3 years ago
How did Mendel's<br> experiments provide evidence for the principle of<br> independent assortment?
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Answer and Explanation

Mendel selected a group of dwarf plants and sel pollinated them by dusting mature pollen grains onto them. He then collected the resulting seeds and planted them and noticed these seeds germinated and grew into dwarf plants only.

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He then crossed cross-pollinated purebreeds tall garden pea with pure breed variety. He planted the seeds and observed the offsprings were all tall plants. He crossed two of these tall offsprinf from the F1 and planted the resulting seeds. the second filial generation consisted of a mixture of tall and dwarf plants.

He counted these plants and noted that the ratio of tall to dwarf was about 3:1. From this, he postulated that there are now laws governing inheritance.The law of independent assortment and law of segregation.

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3 years ago
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<span> Location B, because it receives sunlight at a smaller angle than location</span>
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3 years ago
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