In a simple experiment, Galvani disproved the hydraulic nerve-muscle model proposed by Descartes. Galvani removed a nerve and its attached muscle fibers from a frog and showed that ________ of the nerve caused ________ of the muscle.
a. electrical stimulation; relaxation
b. electrical stimulation; contraction
c. chemical stimulation; contraction
d. pressurization; relaxation
e. chemical stimulation; relaxation
Question 2
According to Descartes, the ________ was the point of interaction in the brain where the mind controlled the physical body.
a. hypothalamus
b. corpus callosum
c. amygdala
d. hippocampus
e. pineal body
How genes produce proteins that determine traits in a simple dominant-recessive relationship.
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A proposed pathway for the action of the E. coli chaperonins GroEL
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