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Translation and Regulation

Translation and Regulation
The final step of gene expression is protein synthesis, which is also known as

translation
transcription
none of these
replication

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Translation and Regulation
The interaction between the mRNA and tRNA determined the position of amino acid in a polypeptide sequence. This is called the

Wobble hypothesis
stagerivity
promiscuity
adaptor hypothesis

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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
None of these
Inactivation of a translational elongation factor
Induction of apoptosis

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Translation and Regulation
Which binding is inhibited by pactamycin?

Peptidyl t-RNA to the 50S subunit
Aminoacyl-tRNA to the A-site of 30S subunit
Formation of peptide bond in P site
Initiator-tRNA to 30S/40S initiation complexes

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Translation and Regulation
Which of the following three codons translate as serine (Ser)?

CGA
CAU
AUG
AGU

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Translation and Regulation
Which of the following act as the blueprint or template for the process of protein synthesis that takes place on ribosomes?

tRNA
mRNA
rRNA
DNA

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