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Protein Synthesis

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

Anticodon
Codon
Amino acid
5 prime end

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

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

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Protein Synthesis
The lac operon contains the z, y and a structural genes

encoding p-galactosidase and galactose permeases
None of these
encoding p-galactosidase, galactose permeases and thio-galactosidase transacetylase respectively
encoding P-galactosidase only

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Protein Synthesis
Eukaryotic mRNA binding to the ribosomes is facilitated by __________ .

the Shine Dalgarno sequence
the 7-methyl guanosine cap
poly A tail
tRNA

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Protein Synthesis
Which is required for protein synthesis?

All of these
rRNA
tRNA
mRNA

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

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

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