Gap junctions are functionally ________ synapses.
A. chemical
B. potential
C. electrical
D. intracellular
E. neuromuscular
Answer: C
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The heart has to be able to regulate its contractions. Heart muscle, unlike skeletal muscle, cannot go into a tetanus. This is because
A) the heart muscle has to be able to consistently contract and pump blood in a controlled fashion. B) heart muscle is not resistant to fatigue. C) heart muscle contracts faster than skeletal muscle. D) heart muscle cannot use glycogen. E) the heart uses aerobic metabolism.
Match the cell type with its function.A. Produce hormonesB. Produce mucusC. May protect intestinal epitheliumD. Synthesize bileE. Produce digestive enzymesEndocrine cells
Fill in the blank(s) with the appropriate word(s).
Proteins that need to be used in the cytosol. (i.e. the enzymes of glycolysis) are generally synthesized by free _________________ in the cytosol.
Fill in the blank(s) with the appropriate word(s).
If the pons was damaged, which of the following functions would be affected?
A) breathing B) control of blood pressure C) coordination D) sleep patterns E) judgment