Chemical reactions that occur in the human body proceed at a faster rate due to special catalytic molecules called
A) activators.
B) cytozymes.
C) cofactors.
D) enzymes.
E) None of the answers are correct.
D) enzymes.
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As potassium diffuses down its concentration gradient, it moves out of the cell. However, this movement is resisted by the accumulating negative charge outside the cell
Indicate whether this statement is true or false.
Label Q represents which of the following structures?
A) nephron loop
B) renal corpuscle
C) proximal convoluted tubule
D) distal convoluted tubule
E) collecting duct
The chemoreceptors for the reflexes that stimulate sympathetic activity and epinephrine secretion in response to hypoglycemia are located in the carotid and aortic bodies.
Answer the following statement true (T) or false (F)
Cells that secrete the organic components of the bone matrix are called
A) osteocytes. B) osteoprogenitor cells. C) osteoblasts. D) osteoclasts. E) osteoid cells.