Imagine you have extracted myosin molecules from both fast and slow twitch muscle fibers and are measuring the rate at which these proteins hydrolyze ATP. What would these relative rates of ATP hydrolysis be?
A. fast twitch fiber > slow twitch fiber
B. slow twitch fiber > fast twitch fiber
C. slow twitch fiber = fast twitch fiber
A. fast twitch fiber > slow twitch fiber
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Tetanus develops from a puncture wound because
A) endospores germinate in anoxic conditions. B) the organism gains access to the circulatory system and then invades the nervous system. C) the organism digests deep connective tissues. D) the organism needs access to the circulatory system and deep connective tissues.
Which of the following would the molecule shown above be called?
a. a protein b. a lipid c. a nucleic acid d. a carbohydrate e. an amino acid
A buried skeletal find has the foramen magnum near but not at the rear of the skull; this indicates the skeletal remains may be those of a
A. human. B. dog or a gorilla. C. gorilla. D. a lesser ape, like a gibbon. E. gorilla or a human.
Cytoplasmic division in animal cells involves
all EXCEPT a. formation of a cell plate. b. a contractile ring mechanism. c. a deepening cleavage furrow. d. a ring of actin filaments under the plasma membrane at the equator. e. ATP.