PROTEIN SYNTHESIS QUIZ

Which of the following amino acid starts all proteins synthesis?

Proline

Thymine

Methionine

Glycine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is required for protein synthesis?

mRNA

All of these

rRNA

tRNA

TRUE ANSWER : ?
YOUR ANSWER : ?

Processive synthesis is a characteristic feature of

DNA Pol III at a replication fork.

all DNA polymerases.

removal of RNA primers on Okasaki fragments.

DNA mismatch repair

TRUE ANSWER : ?
YOUR ANSWER : ?

The structure in a bacterium that indicates an active site for protein synthesis is

a cell membrane,

a flagellum.

a polysome.

a chromosome.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

5 prime end

Codon

Amino acid

Anticodon

TRUE ANSWER : ?
YOUR ANSWER : ?

The site of protein synthesis is

Ribosome

Endoplasmic reticulum

Nucleus

Chromosome

TRUE ANSWER : ?
YOUR ANSWER : ?

The site on a bacterial chromosome that marks the termination point for chromosome replication is called

a stem-loop

ter

a stop codon.

pau

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Hydrogen bonds

DNA polymerase

Transfer RNA

Messenger RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

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

17 amino acids/sec

25 amino acids/sec

10 amino acids/sec

50 amino acids/sec

TRUE ANSWER : ?
YOUR ANSWER : ?

The direction of amino acid transfer to the growing polypeptide chain is

from the A site to the E (exit tRNA site) site on the ribosome

from the P site to the A site on the ribosome

from the P site to the E site on the ribosome

from the A (aminoacyl tRNA site) site to the P (peptidyl tRNA site) site on the ribosome

TRUE ANSWER : ?
YOUR ANSWER : ?

↑