The Calvin cycle reactions
a. produce carbohydrate.
b. convert one form of chemical energy into a different form of chemical energy.
c. regenerate more RuBP.
d. use the products of the light reactions.
e. All of these are correct.
e. All of these are correct.
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To attach a particular amino acid to the tRNA molecule that will transport it, an enzyme, an aminoacyl-tRNA synthetase, is required, along with ATP. Initially, the enzyme has an active site for ATP and another for the amino acid
, but it is not able to attach the tRNA. What must occur for the final attachment to occur? A) The ATP must first have to attach to the tRNA. B) The binding of the first two molecules must cause a 3-D change that opens another active site on the enzyme. C) The ATP must be hydrolyzed to allow the amino acid to bind to the synthetase. D) The tRNA molecule must alter its shape to be able to fit into the active site with the other two molecules. E) The end of the tRNA must be cleaved before it can have an attached amino acid.
Which of the following requires both ATP and NADPH?
A. electron transport through the thylakoid membrane B. the light reaction only C. the Calvin cycle only D. both the light reaction and Calvin cycle E. neither the light reaction nor the Calvin cycle
Soy sauce, olives, pickles, sour cream, and yogurt are produced using lactic acid formed during fermentation.
a. true b. false
Which of the following is NOT an accomplishment of Louis Pasteur?
A) determined that the alcohol-making process was mediated by microbial fermentation and thus refuted the theory of spontaneous generation B) developed enrichment culture techniques C) developed heat sterilization techniques that involved the creation of a specialized swan-necked flask D) developed the first rabies vaccine and treated thousands of individuals