Most of the neurons in the brain and spinal cord are
A. unipolar
B. bipolar.
C. multipolar.
D. nonpolar.
Answer: C
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The amino acid-derivative hormone epinephrine is responsible for __________.
a. glycogen breakdown b. release of lipids by adipose tissues c. increased cardiac activity d. all of the listed responses are correct
Label component "B" of the reflex arc.
A. Sensory receptor B. Sensory neuron C. Motor neuron D. Effector organ E. Interneuron
The complex known as the triad consists of
A) one transverse tubule and two terminal cisternae. B) one sarcomere, one sarcoplasmic reticulum, and one sarcoplasm. C) actin, myosin, and myofilaments. D) one A band, one H zone, and one I band. E) myofilaments, myofibrils, and sarcomeres.
What would happen to a vitamin if its chemical structure is destroyed by catabolism?
A. It could be recycled. B. It would become nonfunctional. C. It becomes a provitamin. D. It becomes a coenzyme. E. Nothing; this is normal.