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Protein Synthesis

Protein Synthesis
The site of protein synthesis is

Ribosome
Nucleus
Chromosome
Endoplasmic reticulum

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Protein Synthesis
A polysome could be best described as

an active site of lipid synthesis.
an active site of DNA synthesis.
an active site of protein synthesis.
All of these

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Protein Synthesis
Amino acids are joined together into a protein chain by which of the following?

Transfer RNA
Messenger RNA
DNA polymerase
Hydrogen bonds

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Protein Synthesis
Proteins contain __________ different amino acids, whereas DNA and RNA are composed of __________ different nucleotides

4,20
20,64
20,4
3,20

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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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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

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

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