Which of the following is NOT true regarding ATP synthases?
A. They require proton motive force to make ATP.
B. The proton flow is outward during ATP synthesis.
C. They span the inner membrane of mitochondria.
D. The subunits of ATP synthase undergo conformational changes during ATP production.
Answer: B
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1.adhesion proteins 2.receptor proteins 3.recognition proteins 4.transport proteins
Bakers use alcoholic fermentation to produce
__________ which causes the dough to rise. c. alcohol d. ATP c. butyric acid d. carbon dioxide e. none of these
“Genetic fingerprinting” is based on unique
a. nucleotide base pairing b. types of nucleotides c. differences in tandem repeats. d. ratios of purines to pyrimidines e. bonding patterns between nucleotides
Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment
A) is isotonic to the protozoan. B) is hypotonic to the protozoan. C) contains a higher concentration of solutes than the protozoan. D) is hypertonic to the protozoan.