Here is a list of mRNA codons and their amino acids. Use this information to ans

Question

Here is a list of mRNA codons and their amino acids. Use this information to answer #56 and #57 :

AAU - asparagine   AUC - isoleucine    CAA - glutamine   CAU - histidine

CGU - arginine   CUU - leucine       GAA - glutamate   GAU - aspartate

GCA - alanine       GGC - glycine       UGU - cysteine

57. A sequence of bases on a DNA strand of GAATTACGT would code for this amino

   acid sequence:

A) Leucine-Asparagine-Alanine B) Arginine-Asparagine-Alanine    

   C) Alanine-Cysteine- Histidine    D) Leucine-Glutamate-Histidine

Explanation / Answer

57. A) Leucine-Asparagine-Alanine

The sequence GAATTACGT on the DNA strand would give rise to CUUAAUGCA on the mRNA. Therefore it would code for leucine-Asparagine-Alanine.

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