Which of the following is not true of enzymes?
A. Enzyme activity is temperature-dependent.
B. Enzymes are relatively non-specific, and able to catalyze several chemical reactions in the body.
C. Denaturation destroys the ability of an enzyme to function.
D. They are considered to be biological catalysts.
E. All of these are true of enzymes.
Answer: B
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The piece of laryngeal cartilage forming the “Adam’s apple” is the
A. thyroid cartilage. B. epiglottis. C. cricoid cartilage. D. arytenoid. E. cuneiform.
A young woman is in a car accident. When she regains consciousness, she notices a sharp pain in her left arm. Looking down, she sees a bone sticking out. This is a compound fracture.
Answer the following statement true (T) or false (F)
Under an electron microscope, the plasma membrane appears as a trilaminar structure consisting of two light layers separated by a dark middle layer
Indicate whether the statement is true or false