What is the function of reverse transcriptase in retroviruses?
A) It uses viral RNA as a template for DNA synthesis.
B) It converts host cell RNA into viral DNA.
C) It translates viral RNA into proteins.
D) It uses viral RNA as a template for making complementary RNA strands.
A
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Adult zebra mussels are __________, and they are __________ when in the early stages
a. invisible; invisible b. invisible; visible c. visible; invisible d. visible; visible
In the absence of ATP synthase, animal cells would not be able to ____
a. create a proton gradient b. hydrolyze glucose to G3P c. carry out oxidative phosphorylation d. produce ATP e. carry out pyruvate oxidation
Anaerobic respiration produces ATP by _____
a. glycolysis only b. glycolysis and the Krebs only c. glycolysis, the Krebs and electron transport chain with inorganic molecules as a final acceptor d. glycolysis, the Krebs and electron transport chain with organic molecules as a final acceptor e. electron transport chain with organic molecules as a final acceptor only
What is an iPS cell?
A. A cell that has been induced into a earlier stage thus making it pluripotent B. A cell that has been fertilized but the nuclei from the sperm and egg have not yet fused C. An egg with 2 nuclei D. A totipotent cell that is extracted from an embryo