The first step in a B-cell's defense against a microorganism is to ________.
A. recognize the antigen
B. secret antibodies
C. bind to the antigen
D. undergo mitosis
Answer: A
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When a muscle contracts at a joint, which of the following affects torque?
A. the rotary component of muscle force B. the stabilizing component of muscle force C. the dislocating component of muscle force D. none of the above
Oligodendrocytes form myelin around the axons of the CNS
Indicate whether the statement is true or false
The figure illustrates the joints and bones of the rib cage. What does "C" represent?
A. costochondral joint B. sternum C. manubrium D. sternal symphyses E. sternocostal synchrondrosis
A sensory neuron's receptor is located
A. where the soma meets the axon terminal. B. where the axon enters the CNS. C. at the distal end of its axon. D. at the part of the dendrite closest to the soma.