During the third stage of aerobic respiration,
electrons and hydrogen ions released by the
reactions of the first two stages are picked up
by
a. photosynthetic enzymes and ATP.
b. CO2 and H2O
c. iron and glucose.
d. NAD+ and FAD.
e. none of these.
D
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Only polymorphisms that add or remove restriction sites can be useful in DNA typing
A. true B. false
A researcher uses a probe complementary to the gene of interest and performs a colony hybridization experiment on a plate containing many bacterial colonies. Each bacterial colony contains a recombinant vector with a different piece of chromosomal DNA. What can be learned from this experiment?
A. The researcher can determine the level of expression for each gene represented. B. The researcher can identify colonies that contain the gene of interest. C. The researcher can identify colonies that have not taken up a vector. D. The researcher can determine the amount of mRNA in a specific colony. E. The researcher can determine the amount of DNA in each of the colonies.
Reproduction in the black bread mold occurs between __________ hyphae
a. male and female b. + and ? c. dikaryotic and monokaryotic d. heterothallic and homothallic e. sterile and self-sterile
An enzyme ____ the activation energy required for a chemical reaction.
A) increases B) lowers C) converts D) catalyzes