In the accompanying figure, the structure labeled “D” is the ____
a. muscle fiber
b. sarcoplasmic reticulum
c. mitochondria
d. myofibril
e. Z line
ANSWER: b
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A. steroid. B. wax. C. prostaglandin. D. terpene. E. phospholipid.
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Which of the following groups does NOT belong to the Alveolates?
a. apicomplexans b. diatoms c. dinoflagellates d. parasitic ciliates e. free-living ciliates
A "high-energy bond" in ATP
a. absorbs a large amount of free energy when the phosphate group is attached during hydrolysis. b. is formed when ATP is hydrolyzed to ADP and one phosphate group. c. is similar to the bonds in glucose molecules; that is why glucose can be used as a source of metabolic energy. d. contributes to the “energy in” part of an endergonic reaction. e. is/does all of these.