An example of an incomplete protein food is
A. eggs.
B. meat.
C. milk.
D. leafy green vegetables.
E. cheese.
D
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A spinal nerve ("mixed") nerve contains
A) axons and dendrites. B) sensory nerve fibers and astrocytes. C) oligodendrocytes and motor nerve fibers. D) sensory and motor nerve fibers
Answer the following statements true (T) or false (F)
1. The corpus callosum allows the right and left sides of the brain to communicate with each other. 2. Parkinson’s disease results from a deficiency of the neurotransmitter dopamine. 3. Injections of dopamine have been used successfully to treat the symptoms of Parkinson disease. 4. Broca’s area is in the frontal lobe of the cerebrum. 5. The primary auditory area is in the parietal lobe of the cerebrum.
What is the best explanation for the observation that mitosis occurs in the deepest layers of the epidermis?
A. Cells are dead in the top layer of the skin. B. Cells undergo apoptosis in upper layers of the epidermis. C. Protein granules accumulate in the cytoplasm of cells as they move up the layers. D. Mitosis requires oxygen and nutrients supplied by blood vessels. E. The cells in the deepest layer of the epidermis are metabolically active.
What structure surrounds the urethra as it passes through the penis?
A. Tunica albuginea B. Internal urethral sphincter C. Corpus spongiosum D. Corpora cavernosa E. Prepuce