Signaling molecules act to adjust __________ in all animals.
A) growth
B) metabolism
C) gene expression
D) reproduction
E) all of these
Correct Answer:
Verified
Q1: Target cells
A) are found only in specific
Q4: The word "hormone" comes from the Greek
Q5: Estrogens from birth control pills
A)are excreted in
Q6: Signaling molecules in animals are
A)neurotransmitters.
B)hormones.
C)pheromones.
D)local signaling molecules.
E)all
Q8: The reason that some individual hormones have
Q11: Hormones are distributed throughout the body by
Q11: Which statement is false about prostaglandins?
A)They are
Q12: Which glands secrete pheromones?
A)exocrine
B)ductless
C)mammary
D)endocrine
E)digestive
Q13: Which of these is false regarding atrazine?
A)It
Q14: Pheromones are used primarily for
A)signaling target cells
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