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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

P site
A site
O site
T site

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Translation and Regulation
When was the genetic code completed?

1966
1968
1958
1952

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Translation and Regulation
The nonsense codon(s) is/are

all of these
UGA
UAA
UAG

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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

adaptor hypothesis
stagerivity
promiscuity
Wobble hypothesis

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Translation and Regulation
What is the action of tetracycline in prokaryotes?

Not known with certainity
It blocks the binding of amino-acyl tRNA to the A site of ribosomes
It blocks translocation reaction on ribosomes
It blocks peptidyl transferase reaction on ribosomes

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Translation and Regulation
Which of the following is a nontranslated sequence located between the transcription and the translation start site?

Reading frame
Ending frame
Leader sequence
Trailer sequence

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