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During protein synthesis in an organism at one point the process comes to a halt. Select the group of the three codons from the following,

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Question

During protein synthesis in an organism at one point the process comes to a halt. Select the group of the three codons from the following, from which any one of the three could bring about this halt.

Options

  • UUU, UCC, UAU

  • UUC, UUA, UAC

  • UAG, UGA, UAA

  • UUG, UCA, UCG

MCQ
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Solution

UAG, UGA, UAA

Explanation:

UAG, UGA and UAA are the three stop codons; any one terminates translation. The other groups contain codons that specify amino acids.

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Chapter 7: Molecular Basis of Inheritance - EXERCISES [Page 407]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 7 Molecular Basis of Inheritance
EXERCISES | Q I. 34. | Page 407
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