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Protein Synthesis

Protein Synthesis
Which site of the tRNA molecule binds to the mRNA molecule?

Anticodon
5 prime end
Amino acid
Codon

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Protein Synthesis
The pathway of a tRNA during polypeptide elongation on the ribosome is

P site → A site → E site
A site → P site → entry site
A site → P site → E site
P site → entry site → exit site

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Protein Synthesis
Protein synthesis rates in prokaryotes are limited by the rate of mRNA synthesis. If RNA synthesis occurs at the rate of 50 nucleotides/sec, then rate of protein synthesis occurs at

25 amino acids/sec
17 amino acids/sec
10 amino acids/sec
50 amino acids/sec

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Protein Synthesis
Degenerated codon differs mostly in

the wobble position
the identities of their second base
the identities of their third base
both (b) and (c)

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Protein Synthesis
How many bases of nucleic acid determine a single amino acid?

Four
One
Two
Three

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Protein Synthesis
The growing polypeptide chain is released from the ribosomes when

the 7-methyl guanosine cap is reached
the poly A tail is reached
a chain terminating tRNA binds to the ribosome
a chain terminating codon is reached

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