Predict which hormone would produce longer lasting effects:
A.
Hormone A, which activates a G protein.
B.
Hormone B, which binds to a nuclear receptor.
C.
Hormone C, which stimulates the formation of a second messenger.
D.
Hormone D, which activates adenylate cyclase.
B
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What fetal structures aid in by-passing the pulmonary circuit?
A. Ductus arteriosus B. Umbilical veins C. Foramen ovale D. Both foramen ovale and ductus arteriosus
This figure shows the muscles of facial expression. What muscle does number 1 indicate?
A. Nasalis B. Procerus C. Epicranius D. Orbicularis oculi E. Platysma
A common reducing agent used to couple chemical reactions in cells is ________.
riboflavin niacin NADH FAD
Potential energy stored in bonds is released as ________ energy
A) heat B) kinetic C) electrical D) electromagnetic E) chemical