A strand of DNA has the following string of bases:

GCTAACGT

What is the order of bases of the RNA molecule that is built from this DNA?

A. CGAUUGCA
B. CGATTGCA
C. UGATTGUA
D. CUATTUCA

Respuesta :

A


The base pairing of guanine (G) and cytosine (C) is just the same in DNA and RNA. So in RNA the important base pairs are: adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).

A strand of DNA has the following string of bases: GCTAACGT is  CGAUUGCA.

How can we check?

The base pairing of guanine (G) and cytosine (C) is just the same in DNA and RNA. So in RNA the important base pairs are: adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).

Thus, option "A" is correct.

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