A football player suffers from a partially torn anterior cruciate ligament. Which joint has been injured?
A. Elbow
B. Knee
C. Hip
D. Shoulder
Answer: B
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A structure that helps prevent food from entering the pharynx prematurely is the
A) uvula. B) pharyngeal arch. C) palatoglossal arch. D) palatopharyngeal arch. E) epiglottis.
The ear opening is shaped like a ________
Fill in the blank(s) with correct word
Which of these characteristics can be produced by an EPSP?
A) local hyperpolarization B) decreased excitability of neuron C) increased permeability of postsynaptic membrane to K+ and Cl- ions D) local depolarization E) all of these
Which is NOT true about protein kinases?
A. They add phosphate groups to proteins. B. They produce effects similar to allosteric modulation. C. They perform the opposite function as phosphatases. D. They use ATP to carry out their reactions. E. They remove phosphate groups from proteins.