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DNA

Which of the ...

Question

Which of the following is correct about $H$ -bonding in DNA?

A

A-T, G-C

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B

A-G, T-C

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C

G-T, A-C

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D

A-A, T-T

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Solution

The correct option is A A-T, G-C
Adenine bonds to Thymine and Guanine bonds to cytosine (A-T, G-C).

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Similar questions

Q. The following sequence contains the open reading frame of a polypeptide. How many amino acids will the polypeptide consist of?
5' A G C A T A T G A T C G T T T C T C T G C T T T G A A C T A - 3'

f (t) = \sqrt{t}, g (t) = \frac{t}{4}

and h(t) = 4t - 8, then the formula for g(f(h(t)) will be?

Q. The complementary strand for the following single strand of DNA is:

5^{'} \leftarrow A - T - G - C - T \to 3^{'}

Q. In the case of double-stranded DNA, which of the following base ratios are always equal to one?
a.

(A + T) / (G + C)

(A + G) / (C + T)

C / G

(G + T) / (A + C)

Select the correct answer.

Q. Assertion : In a DNA molecule, A–T rich parts melt before G–C rich parts.

Reason: In between A and T there are three H–bonds, whereas in between G and C there are two H-bonds.

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