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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]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.
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