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Problem:

Question 1: The tRNA with UAU as the anticodon would be attached to which amino acid?

a) tryrosine

b) isoleucine

c) leucine

d) serine

Question 2: Which of these is not used in DNA replication?

a) RNA polymerase

b) DNA polymerase

c) Helicase

d) Primer

Question 3: A gene codes for a protein that is 500 amino acids long. Which of the following mutations is likely to be the most deleterious?

a) a missense mutation at the 490th codon

b) a missense mutation at the fifth codon

c) a nonsense mutation at the fifth codon

d) a nonsense mutation at the 490th codon

Please provide correct answer and also explain it.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M91167631

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