What would be the most likely outcome if the genetic code was not degenerate? 

A. The effect of some mutations would decrease.
B. The effect of some mutations would increase.
C. The number of stop codons would increase.
D. The mutation rate would remain the same.


Answer: B

Biology & Microbiology

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The ribosomes

A. move along the tRNA in a 3'-5' direction. B. move along the mRNA in a 5'-3' direction. C. move along the DNA in a 5'-3' direction. D. provide a platform that brings the amino acids into a favorable position for joining. E. move along the mRNA in a 5'-3' direction AND provide a platform that brings the amino acids into a favorable position for joining.

Biology & Microbiology

In the figure above, representing transcription, the item labeled "E" is

a. the nontemplate strand. b. RNA-DNA hybrid. c. the template strand. d. DNA double helix. e. the RNA copy.

Biology & Microbiology

The elongation of the leading strand during DNA synthesis __________.

A. depends on the action of DNA polymerase B. occurs in the 3' ? 5' direction C. produces Okazaki fragments D. progresses away from the replication fork

Biology & Microbiology

This bone makes up what we term the "cheekbone."

a. zygomatic b. temporal c. maxilla d. mandible.

Biology & Microbiology