Multiple Choice
Which of the following is notorious for causing covalent bonding of adjacent thymine residues in DNA?
A) X-rays
B) infrared radiation
C) nucleotide analogs
D) ultraviolet radiation
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
Q5: In some repair mechanisms,the parental DNA strand
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