Reactant molecules of enzyme action are called ________.
A. products
B. substrates
C. allosteric inhibitors
D. cofactors
Answer: B
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Fatty folds of skin that encircle and partially conceal the labia minora and vestibule are the
A) fornices. B) ampullae. C) labia majora. D) mons pubis. E) vestibular arches.
The nucleolus functions mainly in the synthesis of DNA
a. true b. false
During anatomy lab, Susan scratched her arm and noticed that some skin cells had sloughed off. She decided to prepare a slide of these cells and examine them under a microscope. What characteristics do you expect the cells to have?
a. polygonal cells with prominent nuclei b. cuboidal cells, some of which were undergoing mitosis c. flattened anucleate cells d. oval cells surrounded by abundant collagen
Since they are released between meals, ________ are involved in the short-term regulation of hunger.
A. ghrelin and CCK B. insulin and PYY C. leptin and insulin D. leptin and CCK