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Protein Synthesis

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

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

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

Messenger RNA
Hydrogen bonds
DNA polymerase
Transfer RNA

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Protein Synthesis
A polysome could be best described as

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

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Protein Synthesis
Processive synthesis is a characteristic feature of

DNA mismatch repair
all DNA polymerases.
removal of RNA primers on Okasaki fragments.
DNA Pol III at a replication fork.

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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
Which of the following is not a necessary component of translation?

mRNA
Anticodon
Amino acid
Ligase

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