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Process of Translation

Which one of ...

Question

Which one of the following statements is not correct during protein synthesis?

A

UAA codon codes for lysine.

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B

UGG codon codes for tryptophan.

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C

Cysteine is coded by UGU and UGC codons.

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D

Tyrosine is coded by UAU and UAC codons.

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Solution

The correct option is A UAA codon codes for lysine.
During protein synthesis,
A. UUA codon codes for leucine.
B. UGG codon codes for tryptophan.
C. Cysteine is coded by two codons UGU and UGC.
D. Tyrosine is coded by two codons UAU and UAC.
Hence, statement A is not correct. So, the correct answer is 'UAA codon codes for lysine'.

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Similar questions

Q. Which one of the following codons codes for the same information as UGC?

Q. Statement I: The codon 'AUG' codes for methionine and phenylalanine.

Statement II : 'AAA' and 'AAG' both codons code for the amino acid lysine.

In the light of the above statements, choose the correct answer from the options given below.

Q. Which of the following statements is/are incorrect?
I. Six codons do not code for any amino acid.
II. A codon is read in mRNA in a contiguous fashion.
III. Three codons function as stop codons.
IV. The initiator codon AUG codes for methionine.

Q. Which statement is correct?
(A) Degeneracy of code is related to third member of codon.
(B) Single codon codes for more than one amino acid.
(C) In codons, first two bases are more specific.
(D) In codons, third base is wobble.
(E) Code is universal.

Q. Which statement is correct?

(A) Degeneracy of code is related to third member of codon

(B) Single codon, codes for more than one amino acid

(C) In codon first two bases are more specific

(D) In codons third base is wobble

(E) code is universal

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