Identify a second-messenger
a. Insulin
b. G protein
c. G protein coupled receptor
d. Adenylyl cyclase
e. None of the above
E
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All animals require water, and it may be provided in many forms. Which of the following is NEVER a source of water for an animal?
A) Seawater B) Dietary water C) Products of hydrolysis D) Products of oxidative phosphorylation
The gonads include ________
A) The ova in the female and sperm in the male B) The penis in the male and the vulva in the female C) The testes in the male and the ovaries in the female D) Both A and C are gonads.
The cranial nerves and spinal nerves make up the __________ ________ system
Fill in the blank(s) with correct word
A(n) ____________________ is the alternating expansion and contraction of an artery as blood flows through it.?
Fill in the blank(s) with correct word