Which of the following pairs is NOT related?
a. Sour taste and blocking of K+ channels
b. Salty taste and ENaC channels
c. Umami taste and amino acids
d. Sweet taste and IP3 induced release of calcium
e. none of these.
E
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The reduction of friction between the parietal and visceral surfaces of an internal cavity is the function of
A) cutaneous membranes. B) mucous membranes. C) serous membranes. D) synovial membranes. E) the lamina propria.
Which membrane is the largest organ of the integumentary system?
A. Cutaneous B. Mucous C. Parietal D. Visceral
Which stage of the cell cycle immediately precedes the S phase?
G1 G2 M None of the choices are correct.
Which erectile tissue is present in the penis but absent from the clitoris?
A. Corpus cavernosum B. Corpus albicans C. Corpus spongiosum D. Tunica albuginea E. Corpus luteum