Reactions that require CO2 take place in _____
A) the light reactions alone
B) the Calvin cycle alone
C) both the light reactions and the Calvin cycle
D) neither the light reactions nor the Calvin cycle
E) the chloroplast, but not as part of photosynthesis
Answer: B
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Match the reactant in glycolysis on the left with the appropriate enzyme on the right.
A) phosphofructokinase B) phosphoglycerokinase C) fructase D) phosphoglyceromutase E) pyruvate kinase F) phosphoglycerase G) glucose kinase H) PEP kinase I) hexokinase J) aldolase K) fructose dehydrogenase 1) glucose 2) fructose-6-phosphate 3) fructose-1,6-bisphosphate 4) phosphoenolpyruvate 5) 1,3-bisphosphoglycerate 6) 3-phosphoglycerate
Members of the Archaea differ from members of the Bacteria (or eubacteria) in that only the members of the Archaea have
a. different lipids in their membranes. b. a nuclear membrane. c. enzymes to carry out respiration in their plasma membranes. d. a peptidoglycan cell wall. e. a variety of morphologies, including cocci and vibrios.
One turn of the Calvin cycle fixes a molecule of CO2 gas and is driven by 3 molecules of ATP and 2 molecules of NADPH from the light reactions. Which of the following is true?
A. It takes 3 turns of the cycle, 9 molecules of ATP, and 6 molecules of NADPH to make one molecule of glucose. B. It takes 6 turns of the cycle, 18 molecules of ATP, and 12 molecules of NADPH to make a glucose molecule. C. The cycle must be carried out in the dark. D. The cycle is exergonic.
The closest algal relatives of land plants are _______.
A. charophyceans B. red algae C. brown algae D. angiosperms