An important mechanism that controls metabolic pathways under physiological conditions is
A. negative feedback.
B. positive feedback.
C. signal transduction.
D. genetic control.
Answer: A
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Filtration is controlled by changing pressure.
Answer the following statement true (T) or false (F)
Have very fast-acting myosin ATPases and depend upon anaerobic metabolism during contraction.
A) Fast (oxidative or glycolytic), fatigable fibers B) Slow (oxidative), fatigue-resistant fibers
Under a microscope you view a cell with a very large quantity of lysosomes present. What could this indicate?
A)The cell is about to undergo apoptosis. B)The cell has a high energy demand. C)The cell is detoxifying toxins. D)The cell is making a large amount of protein.
Which of the following is not an organic compound?
A) CH4 B) Na2HPO3(H2O)5 C) C3H7O2N D) C16H18N3ClS