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andreev551 [17]
3 years ago
6

You are scientists! You've been studying dna. You already know that part of the structure of DNA is 4 bases - adenine (A), guani

ne (G), cytosine (C), and thymine (T), you're not sure how those bases have to fit together.
After your experiment that involved looking at how many bases ate in different organisms and looking away ratios of those bases compared to each other you compile your results below.

What is a conclusion you can make from your results?
A) A and T pair together because the both A and T are found in almost all the organisms.
B) A and T pair together because the ratio is close to 1.00 in almost all the organisms.
C) T and C pair together because the ratio is close to 1.00 in almost all the organisms.
D) T and C pair together because the both A and C are found in almost all the organisms.

Biology
1 answer:
FinnZ [79.3K]3 years ago
5 0

Answer:

The correct answer is B) A and T pair together because their ratio is close to 1.0 in almost all organism.

Explanation:

There are 4 principle nitrogen bases present within a DNA molecule.Among them 2 are termed as purine bases such as adenine and guanine and rest of the two are called pyrimidine bases such as thymine and cytosine.

   Adenine pairs with thymine by 2 hydrogen bonds whereas guanine pairs with cytosine with 3 hydrogen bonds.

According to the given question the ratio of adenine to thymine is close to 1 in almost all the organism.As a result Adenine and Thymine will pair together.Because in a DNA molecule the more efficient base pairing occur between two complementary bases whose ratio is 1 or very close to 1.

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