Cholesterol, though it is NOT an energy molecule, has importance in the body because it ________
A) is a stabilizing component of the plasma membranes and is the parent molecule of steroid hormones
B) helps mobilize fats during periods of starvation
C) helps provide essential nutrients to the brain and lungs
D) enters the glycolytic pathway without being altered
A
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All of the muscles listed, except one, are innervated by the deep fibular nerve. Select the exception.
A. Gastrocnemius B. Extensor hallucis longus C. Extensor digitorum longus D. Fibularis tertius E. Tibialis anterior
What does this figure represent?
a) Erythropoiesis b) RBC differentiation c) Emigration d) Clot formation e) Clot retraction
The external auditory canal ends at the
A) cochlear oval window. B) tympanic membrane. C) malleus. D) vestibule. E) pinna.
Which of the following is not an example of negative feedback?
a. A low grade on an exam causes a student to study harder for the next exam. b. A small stone rolls down a hill and starts an avalanche. c. A person goes to eat in the cafeteria when he/she gets hungry. d. You change a flat tire so you can continue on a journey in your car. e. A person's body shivers after the person falls into a cold river.