A certain gene in a bacterium codes for a polypeptide that is 120 amino acids long. How many nucleotides are needed in the mRNA

Question

s2008m [1.1K]

3 years ago

14

A certain gene in a bacterium codes for a polypeptide that is 120 amino acids long. How many nucleotides are needed in the mRNA

to code for this polypeptide?
A. 30
B. 40
C. 360
D. 480

Biology

1 answer:

kari74 [83] · Answer 1 · 2022-08-11T14:58:19+03:00

kari74 [83]3 years ago

6 0

The answer is C. 360.

3 nucleotides correspond to 1 amino acid (this is an important fact to remember). Therefore, to create a polypeptide 120 amino acids long, the mRNA "message" would need to be 3 times that length, or 360 nucleotides.