What is the basic structure of a triglyceride?
A. A glycerol head and three fatty acid tails
B. A linear chain of fatty acids
C. A chain of fatty acid tails
D. A branched chain of fatty acids
Answer: A
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When light excites chlorophyll, the chlorophyll
molecules
a. change to carotene. b. become agitated and move rapidly. c. become radioactive. d. electrons jump to a higher energy level. e. become ionized
The number of individuals per unit area is the
A. age distribution. B. biotic potential. C. distribution ratio. D. population density.
Baroreceptors, which are located in the carotid artery, aorta, and kidneys, are MOST sensitive to changes in:
A) fluid volume. B) blood pressure. C) acid-base balance. D) sodium concentrations.
Which cellular organelle contains enzymes that are considered digestive?
A. Golgi Apparatus B. Lysosomes C. Nucleus D. Ribosomes