During normal metabolism of the human body, about 60% of the energy released from organic molecules:
A. is used to perform internal work.
B. is stored as ATP.
C. appears immediately as heat.
D. is stored as triglycerides.
E. is used to perform external work.
C
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Sucrose is a disaccharide that is composed of ________ and ________.
A. glucose; fructose B. fructose; galactose C. glucose; galactose D. glucose; glucose
Which structure makes up most of the floor of the midbrain?
a. tectum b. cerebral peduncle c. cerebral aqueduct d. superior colliculi
A young woman developed necrotizing enterocolitis, which required the removal of her small intestine. What is one of the enzymes that will no longer be present because of the removal of her small intestine?
A) amylase B) maltase C) maltose D) amylose
Rather than being synthesized in the cell like other second messengers, ___ enters the cell through the plasma membrane.
a. cAMP b. IP3 c. sodium d. calcium e. diacylglycerol