A fat cell responds to the presence of the hormone epinephrine by increasing cytosolic cyclic AMP production,which leads to the catabolism of both glycogen and fat.The best explanation for this phenomenon is:
A) Epinephrine is binding to two types of receptors in the plasma membrane
B) The activated receptor complex stimulates production of two different second messengers
C) Cyclic AMP can directly activate two kinds of enzymes
D) Cyclic-AMP-dependent protein kinase can activate two kinds of enzymes
E) All of the choices are correct
Correct Answer:
Verified
Q2: Activation of a receptor by a chemical
Q3: A ligand that is an effective agonist
Q4: Activation of a receptor that is coupled
Q5: Which of the following are common means
Q6: The significance of plasma membrane receptors for
Q8: Which of the following statements about G
Q9: The process whereby repeated exposure to a
Q10: Second messengers
A)Are necessary for all receptor signal
Q11: Messages,in the form of chemical signals,are sent
Q12: Oxytocin is a peptide hormone that causes
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