A nonprotein component of an enzyme that is loosely attached to the protein component is referred to as a(n) ________.
A. apoenzyme
B. prosthetic group
C. coenzyme
D. holoenzyme
Answer: C
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Nitrogen gas is first converted into ___ by
certain___ before it enters the land nitrogen cycle.
a. nitrate...bacteria b. ammonium...bacteria c. elemental nitrogen...bacteria d. nitrate...bacteria and fungi e. ammonium...bacteria and fungi
The above figure reveals which of the
following about the organism that it was obtained from? a. Genes present b. Age c. Deceased or living d. Total number of genes e. Number of homologous pairs
Four of the five choices listed below are adaptations
Select the exception. a. system acquired resistance b. negative feedback systems c. leaf hairs of yellow bush lupine d. circadian rhythms e shutdown of the blood clotting mechanism
Signals from the parasympathetic nervous system
cause which of the following? a. increase in blood pressure b. increase in pulse rate c. increase in digestive activities d. increase in blood sugar level e. increase in metabolic rate