Visual pigments are derivatives of the compound
A) retinal.
B) opsin.
C) rhodopsin.
D) transducin.
E) cGMP.
Answer: C
Anatomy & Physiology
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Answer the following statement true (T) or false (F)
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Which cells present antigens in the thymus?
A. Natural killer cells B. B lymphocytes C. Cytotoxic T cells D. Epithelial cells E. Helper T cells
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The bones of the wrist are called tarsals
a. True b. False Indicate whether the statement is true or false
Anatomy & Physiology
________ serous membranes line the walls of cavities, whereas ________ serous membranes cover the surfaces of internal organs
A) Parietal; visceral B) Visceral; parietal C) Pericardial; peritoneal D) Pleural; visceral
Anatomy & Physiology