Describe the form and function of axons

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Axons are long extensions of the neuron cell body that carry the nervous impulse away from the cyton. (Remember, AA stands for Axons Away, as well as Arteries Away.) Axons are typically single, and make contact with an adjacent dendrite, cell body (rarely), another axon, a muscle fiber, or a secreting cell. Motor axons are the longest cells in the human body; the cell body may be located in the spinal cord, and the end of the axon in your toe!

Biology & Microbiology

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What is carried in the plasma of vertebrate animals? What percentage of whole blood is plasma?

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Biology & Microbiology

The anatomical structure identified with the

letters "B" and "E" in the figure above is a. the arterial wall. b. the lumen. c. atherosclerotic plaque. d. the capillary wall. e. none of these

Biology & Microbiology

Which of the following molecules is NOT DIRECTLY involved in translation?

a. DNA b. mRNA c. ribosomes d. tRNA e. All of the above molecules are directly involved in translation.

Biology & Microbiology

Subacute bacterial endocarditis is commonly the result of infections initially focused on the oral cavity.

Indicate whether the statement is true or false.

Biology & Microbiology