Which of the following are composed of myosin?
A) thick filaments
B) thin filaments
C) all myofilaments
D) Z discs
A) thick filaments
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Hypoventilation causes __________.
a) an increase in blood pH b) a decrease in respiratory rate c) an increase in blood PO2 d) an increase in blood PCO2
Estrogen stimulates the up-regulation of progesterone receptors in the uterus to prime the uterus to respond to progesterone. what type of hormone interaction is this?
a) antagonistic b) permissive c) complementary d) synergistic
Cleavage involves a series of ________ divisions and __________ in the overall size of the conceptus
A. meiotic; an increase B. meiotic; no change C. meiotic; a decrease D. mitotic; no change E. mitotic; an increase
The walls of the alveoli are lined by
A) stratified cuboidal epithelium. B) pseudostratified epithelium. C) simple squamous epithelium. D) loose connective tissue. E) hyaline cartilage.