What molecules pass information from the polar regulatory molecule receptor to activate the enzymes that produce cAMP?
A. Paracrines
B. GTP
C. G-proteins
D. None of the choices are correct.
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. Breasts are present in both males and females, whereas functional mammary glands are only present in females. 2. The skin carries out the first step in the synthesis of vitamin D. 3. Living keratinocytes exfoliate from the epidermis as tiny specks called dander. 4. The deeper of the two layers of the skin is the hypodermis.
Which is not part of the vulva?
A. Mons pubis B. Clitoris C. Labia majora D. Labia minora E. Vagina
Molecules that can cross a membrane unassisted due so either by
a. carrier mediated transport or facilitated diffusion. b. passive diffusion or active transport. c. conduction or passive transport. d. facilitated diffusion or active transport. e. none of these.
This contractile protein is shaped like a golf club
A) myosin B) troponin C) tropomyosin D) actin