The base analog 5-bromouracil can tautomerize. One tautomer behaves like thymine and the other behaves like cytosine. If 5-bromouracil is used as a mutagen, what is the minimum number of times replication must occur to mutate the codon for proline (CCC) into the codon for serine (TCC)?
A) one generation
B) two generations
C) three generations
D) 5-bromouracil cannot induce this mutation
B) two generations
You might also like to view...
In your laboratory, you examine a vial of freshwater from a local pond. You notice several unfamiliar small (less than one millimeter in length) animals and decide to study them
You observe that the animals have a coelom, eat microscopic food particles, reproduce by parthenogenesis, and have offspring that do not undergo any larval stages. What else would you expect to observe about this organism? A) a corona B) a lophophore C) a scolex D) chaetae E) a mantle
RNA replicase is found in ALL viruses to allow the replication and transcription of viral RNA instead of host RNA
Indicate whether the statement is true or false.
Advantages of automated susceptibility tests (e.g., Vitek 2 and Microscan Walkaway) include but are not limited to:
a. automated preparation of inoculum. b. resistance detection by molecular methods (e.g., real-time PCR). c. advanced (e.g., expert) software that re-cognizes and reports resistance patterns. d. testing of most aerobic and commonly isolated anaerobic bacterial species.
Two butterflies have identical wing patterns, but in one the pigment is blue and in the other the pigment is yellow. The original ancestor had green wing pigments. The wing pigment is an example of a(n) ________
Fill in the blank(s) with correct word