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Chapter 28: Q28-9P (page 954)

What amino acid sequence is coded by the following mRNA base sequence?

CUU-AUG-GCU-UGG-CCC-UAA

Short Answer

Expert verified

The amino acid sequence for the given mRNA is Leu-Met-Ala-Trp-Pro-Stop.

Step by step solution

01

Given Information

The mRNA sequence in the question can be given as,

CUU-AUG-GCU-UGG-CCC-UAA

02

Explanation for the amino acid sequence

The message denotes ‘Leu’ as C is first base, U is second base and U is third base. A and U are first and second base and G is third base. Then the message denotes ‘Met’. For GCU, G and C is first and second base then U is third base. Then, the message denotes ‘Ala’. The message indicates ‘Trp’ as C is first, second and third base.

The final code message indicates ‘Stop’ as C is the first, second, and third base. There is a synthesis of proper proteins as the last amino acid is stopped. The end denotes the stop and the release of protein of the ribosome.

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Most popular questions from this chapter

Draw the full structure of the RNA dinucleotide UA.

The final step in the metabolic degradation of uracil is the oxidation of malonic semialdehyde to give malonyl coA. Propose a mechanism.

Question: From what DNA sequences were each of the mRNA codons in problem 28-26 transcribed?

  1. AAU
  2. GAG
  3. UCC
  4. CAU

Write molecular formulas for compounds that show the following molecular ions in their high-resolution mass spectra, assuming that C, H, N, and O might be present. The exact atomic masses are: 1.00783\(\left( {{}^1{\bf{H}}} \right)\), 12.00000\(\left( {{}^{12}C} \right)\), 14.00307\(\left( {{}^{14}N} \right)\), 15.99491\(\left( {{}^{16}O} \right)\).

(a)\({{\bf{M}}^ + }{\rm{ = 98}}{\rm{.0844}}\)

(b\({{\bf{M}}^ + }{\rm{ = 123}}{\rm{.0320}}\)

One of the steps in the biosynthesis of a nucleotide called inosine monophosphate is the formation of aminoimidazole ribonucleotide from formyglycinamidine ribonucleotide. Propose a mechanism.
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