Biochemistry - Protein Synthesis

Exercise : Protein Synthesis - Section 1
  • Protein Synthesis - Section 1
11.
The lac operon contains the z, y and a structural genes
encoding p-galactosidase, galactose permeases and thio-galactosidase transacetylase respectively
encoding p-galactosidase and galactose permeases
encoding P-galactosidase only
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
Proteins contain __________ different amino acids, whereas DNA and RNA are composed of __________ different nucleotides
20,64
3,20
4,20
20,4
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
Which of the following is not necessary for protein synthesis to occur, once transcription is completed?
tRNA
Ribosomes
mRNA
DNA
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
Ribosomes select the correct tRNAs
then bind to the appropriate mRNA
solely on the basis of their anticodons
depending on their abundance in the cytosol
with the least abundant anticodons
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Signal peptide protein removal that is translocated across a membrane is accomplished by
fMet aminopeptidase
trypsin
signal peptidase
chymotrypsin
Answer: Option
Explanation:
No answer description is available. Let's discuss.