Food is formed into a bolus in the ____
a. large intestine
b. liver
c. mouth
d. small intestine
e. stomach
ANSWER: c
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An invertebrate statocyst contains ____, which surround movable ____. Changes in body position
move the latter and thus trigger action potentials.
a. statoliths; sensory hair cells b. sensory hair cells; statoliths c. otoliths; sensory hair cells d. efferent neurons; otoliths e. efferent neurons; statoliths
GENETIC DRIFT IS THE RESULT OF _____
Fill in the blank(s) with the appropriate word(s).
Ti plasmids and the T-DNA system can be used to transform any vascular plant
Indicate whether the statement is true or false
DNA methylation
A. increases transcription. B. decreases crossover events. C. increases crossover events. D. inhibits transcription. E. promotes post-translational modification of proteins.