Multiple Choice
In some repair mechanisms,the parental DNA strand is used as a guide for repairing mistakes made in the newly synthesized DNA strand.The cell is able to distinguish the parental strand from the new strand because immediately following replication,the DNA isـــــــــــــــــــ .
A) fully methylated
B) still single-stranded
C) hemi-methylated
D) non-methylated
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Aـــــــــــــــــــــــ mutation has no effect on phenotype.<br>A)frameshift<br>B)deletion<br>C)silent<br>D)nonsense
Q2: Mutations occur more frequently in hotspots.
Q3: When second site mutations change the mutant
Q4: Terotogenic agentsــــــــــــــــــــ .<br>A)generate reversions<br>B)always causes mutations<br>C)are always
Q6: Which of the following is notorious for
Q7: Spontaneous mutations occurــــــــــــــــــــــــ .<br>A)from errors in replication<br>B)when
Q8: A mutation that changes the orientation of
Q9: Nonsense mutations occur whenـــــــــــــــــ is introduced into
Q10: DNA polymerases often proofread their recently inserted
Q11: A ــــــــــــــــــــــmutation changes the coding sequence of