Metal ions such as magnesium or calcium can serve as enzyme ________.
A. substrates
B. coenzymes
C. cofactors
D. ribozymes
Answer: C
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Blood vessels in the ________ supply epidermal cells with nutrients.
A. epidermis B. hair follicle C. stratum basale D. dermis
A cut passing parallel to the long axis of the body that divides it into unequal left and right halves is known as which type of sectional plane?
A) frontal B) coronal C) transverse D) sagittal E) horizontal
Which cells produce estrogens?
A. Theca cells B. Sustentacular cells C. Oocytes D. Pyramidal secretory cells E. Polar bodies
The glomerular capillary blood pressure in the nephron is 78 mm Hg. The Bowman's capsular hydrostatic pressure is 24 mm Hg. The colloidal osmotic pressure is 18 mm Hg. The net filtration pressure is ____ mm Hg
a. 18 b. 26 c. 36 d. 42 e. 78