What are the only neurons in the body to routinely undergo mitosis?
A. Olfactory receptors
B. Auditory hair cells
C. Ganglion cells
D. Basal cells in the taste buds
E. Bipolar cells
Answer: A
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The sarcoplasmic __________ stores calcium and releases it to the sarcoplasm.
Fill in the blank(s) with the appropriate word(s).
The androgen-binding protein functions to
A. transport androgens in the plasma. B. confer responsiveness of certain cells to male sex hormones. C. exert negative feedback on the production of testosterone by the Leydig cells. D. transport testosterone across cell walls. E. bind and maintain high concentrations of testosterone in the seminiferous tubules.
Chloride ions follow the concentration gradient, but require a membrane protein for passage. Which transport method is occurring?
A. Pinocytosis B. Active transport C. Facilitated diffusion D. Diffusion
Answer the following statements true (T) or false (F)
1. Hair growth begins from a small, cap-shaped cluster of cells called the hair follicle. 2. The root of the hair is the visible part of the hair above skin. 3. The contraction of the arrector pili causes “goose pimples.” 4. Basal cell carcinoma is the most common type of skin cancer 5. Malignant melanoma has been linked to exposure to the ultraviolet radiation of the sun.