The action potential of Chara, an algae species, is generated by
A) Cl- efflux via voltage-gated channels.
B) Cl- efflux via channels opened by second messenger pathways.
C) Ca2+ influx via channels opened by second messenger pathways.
D) Ca2+ efflux via voltage-gated channels.
Answer: B
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rim of the cell. Indicate whether the statement is true or false
Obese animals that are anesthetized with thiobarbiturate would
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The four regions of the human and the pig stomach are the cardia, body, fundus, and ________
A) pylorus B) greater omentum C) vestibule D) rugae
Norepinephrine is considered a positive chronotropic agent because it causes
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