Course

Genetics

Study Pack

Set 11 From Dna To Protein Translation

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Question 1

(Multiple Choice)

Free
Which of the following amino acid is encoded by the LARGEST number of codons?

A)ARG
B)MET
C)PHE
D)VAL
E)GLY

Answer

Question 2

(Multiple Choice)

Free
How many different amino acid sequences can be encoded by the sequence of 9 nucleotides long (ignore the possibility of stop codons)?

A)9
B)180
C)900
D)4000
E)8000

Answer

Question 3

(Multiple Choice)

Free
Which of the following statements about translation is CORRECT?

A)A special tRNA that does not have an attached amino acid binds to stop codons to terminate translation.
B)The first three bases at the 5'end of an mRNA are the AUG at which translation begins.
C)The codon for methionine appears only at the beginning of the mRNA for a protein, not in the middle or in the end.
D)In eukaryotes, the 5' cap and the 3' poly(A)tail are involved in translation initiation.
E)Ribosomes move along an mRNA in the 3'to 5' direction.

Answer