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Translation and Regulation

Translation and Regulation
Site in the ribosome from which the tRNA donates amino acids to the growing polypeptide chain is

T site
O site
P site
A site

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Translation and Regulation
What is the direct cause of cell death by diphtheria toxin?

Formation of an ion channel in the cell membrane
Induction of apoptosis
None of these
Inactivation of a translational elongation factor

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Translation and Regulation
Which of the termination codon is called amber?

UAG
UAA
UGA
AUG

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Translation and Regulation
What are the Svedberg values for the subunits of the 70S ribosomes of E. colli?

50S and 20S
40S and 30S
50S and 30S
40S and 20S

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Translation and Regulation
What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5?

Three
Two
Four
One

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Translation and Regulation
During amino acid activation a(n)

methyl group is attached to rRNA
methyl group is attached to an amino acid
amino acid is bound to tRNA
amino acid is bound to mRNA

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