What kind of enzyme removes a phosphate group from a protein?
A.) kinase
B.) GTPase
C.) phosphorylase
D.) phosphatase
E.) ATPase
Ans: D.) phosphatase
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Recall that Archaea has three main groups. Which of the following is not one of the major archaeon groups?
A. Thaumarchaeota B. Crenarchaeota C. Euryarchaeota D. Firmicutes
Albinism is a recessive trait controlled by a single gene. If the frequency of albinos in a population is
0.25, what is the expected frequency of heterozygotes for this trait? (Hint: use the Hardy-Weinberg formula) A. 0.25 B. 0.50 C. 0.75 D. 0.90 E. It is not possible to determine with the information provided.
Which of the following plants is an annual?
a. carrot b. Queen Anne's Lace c. foxglove d. cabbage e. iris
A replicon
a. may or may not have an origin. b. must include the gene for the protein that regulates initiation of replication. c. must "fire" only once during the cell cycle. d. must have a terminus. e. is trans-acting.