What is the function of the posterior cruciate ligament?
A. It prevents hyperflexion of the knee.
B. It limits knee flexion.
C. It prevents hyperextension of the knee.
D. It prevents the femur from sliding forward off the tibia.
E. It prevents the femur from sliding backward off the tibia.
Answer: D
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Microtubules are composed primarily of:
a. phospholipids b. actin c. myosin d. tubulin e. enzymes
The stratum basale attaches to an underlying ________ membrane that separates the epidermis from the adjacent dermis.
Fill in the blank(s) with the appropriate word(s).
Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "A" relative to the RBC?
A. crenated B. hypotonic solution C. isotonic solution D. hypertonic solution E. hemolyzed
Any process that causes an irreversible change in the shape of a protein is called
A. hydrolysis. B. denaturation. C. emulsification. D. degradation.