What is the DNA backbone made of?

Biology

1 answer:

scZoUnD [109]3 years ago

7 0

the answer is C.sugar and phosphates. yw hope that helped :)

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What two principles make the scientific method so unique

Inessa05 [86]

Hypothesis and conclusion

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3 years ago

Why are the two strands of the double helix "perfect and specific compliments"?

77julia77 [94]

Because for the strands to form a double helix the base pairs have to match perfectly (adenine with thymine and cytosine with guanine) in DNA , and if a strand of RNA is paired with a split strand of DNA it goes adenine with uracil and cytosine with guanine (uracil replaces thymine)

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2 years ago

You’ve likely heard of polar bears (Ursus maritimus) and grizzly bears (Ursus arctos horribilis). Have you heard of a grolar bea

Karolina [17]

Answer:

allopatric speciation.

Explanation:

When the population belonging to the same biological species becomes separated from each other due to some geographical factor such that no gene flow can occur between the two separated populations then the speciation that occurs on account of this is known as allopatric speciation.
The geographical isolation that separates the two groups can be the origin of a mountain, the formation of islands, volcanic eruption, etc. which prevents the two groups fro mating with each other and ultimately causes their lineage to speciate.
Although the two separate populations are unable to mate due to geographical factors, if the two populations are allowed to mate again, given that they have not been separated very long ago, they can give rise to hybrids.
Thus, in the given question it is given that polar bears and grizzly bears have been mated and hybrids have been produced and this points out to the fact that polar bears are result of allopatric speciation.

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3 years ago

Chapter 7 assesment answer

CaHeK987 [17]

Https://quizlet.com/58016588/biology-chapter-7-assessment-flash-cards/

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2 years ago

WILL GIVE A BRAINLEST

oksano4ka [1.4K]

The correct answer is
.Caribou have a thicker coat of fur and wider hooves.

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