The enzyme that HIV uses to convert its RNA into DNA is

A. reverse transcriptase.
B. DNA polymerase.
C. RNA polymerase.
D. RNA integrase.
E. translase.


A. reverse transcriptase.

Biology & Microbiology

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You have identified a novel cytoplasmic protein. Through sequence analysis you are able to identify the presence of a number of serine/threonine phosphorylation motifs. Based on these data, you hypothesize that this protein may be a substrate for what kind of enzyme?

A. A protein kinase B. A receptor tyrosine kinase C. A G protein-coupled receptor D. A tyrosine phosphatase E. A phospholipase

Biology & Microbiology

Which of the following statements are true of Trichomonas vaginalis?

_____ It attacks the human genitourinary tract. _____ It lacks mitochondria. _____ It is a member of the supergroup Discoba. _____ It synthesizes its own organic nutrients. _____ It uses flagella for movement.

Biology & Microbiology

An example of a substrate-level phosphorylation that occurs during glycolysis is the transfer of a

phosphate group from a phosphorylated intermediate to: a. ATP. b. ADP. c. NADH. d. 1,3-bisphosphoglycerate. e. glucose.

Biology & Microbiology

The tails of the phospholipids of the plasma membrane are composed of _________ and are _________?

A) phosphate groups; hydrophobic B) fatty acid groups; hydrophilic C) phosphate groups; hydrophilic D) fatty acid groups; hydrophobic

Biology & Microbiology