You identify an enzyme involved in a cellular reaction. How does the enzyme affect the reaction equilibrium between reactants and products and the time needed to reach equilibrium?
A. It alters the reaction equilibrium and shortens the time needed to reach equilibrium.
B. The reaction equilibrium is unaffected, but it shortens the time needed to reach equilibrium.
C. It alters the reaction equilibrium and lengthens the time needed to reach equilibrium.
D. The reaction equilibrium is unaffected, but it lengthens the time needed to reach equilibrium.
B. The reaction equilibrium is unaffected, but it shortens the time needed to reach equilibrium.
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Select the statement that most accurately reflects the process of plant material digestion in humans.
A. It is a very efficient process the produces very little undigested material in feces. B. It requires the action of enzymes called kinases. C. It is a process that is dependent upon enzyme (cellulase) production by gut microbiota. D. It is linked to the digestion of glycogen.
What is the key concept addressed by the question?
What will be an ideal response?
You discover a new species of lily that has 10 chromosomes (2n=10). Genetic testing reveals that it arose from the interbreeding of two other species of lilies, one of which has 12 chromosomes, and one of which has 8 chromosomes. What is the correct term for the new lily species?
A. autopolyploid B. allopolyploid C. allodiploid D. allotetrapoloid
Four of the five processes listed below are associated
with the light-independent reactions. Select the exception. a. use of ATP and NADPH b. carbon fixation c. production of PGA d. the Calvin-Benson cycle e. reduction of NADP+