Multiple Choice
Spontaneous mutations are:
A) caused by chemicals such as acridine and caffeine.
B) caused by physical agents such as ultraviolet light or x-rays.
C) the result of errors in the base pairing of nucleotides during replication.
D) occur at a rate higher than the rate of induced mutations.
Correct Answer:
Verified
Correct Answer:
Verified
Q13: RNA polymerase uses _ as a template
Q14: Which of the following properties are exclusive
Q15: Catabolite repression:<br>A)cells save energy by not making
Q16: An mRNA molecule contains three nucleotide (triplet)units
Q17: tRNA anticodons serve as a link between
Q19: Bacterial chromosomes:<br>A)must be present for a bacteria
Q20: A DNA mutation that results in no
Q21: Mutagens such as 5-bromouracil cause mutations by:<br>A)substituting
Q22: During replication DNA is synthesized by _.<br>A)DNA
Q23: Pyrimidine dimers are a type of mutation