The myelin sheath
a. is formed by the Schwann cell.
b. speeds up the transmission of impulses.
c. does not surround all nerves.
d. extends from node to node.
e. all of these
E
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Which of the following would be used to determine the probability of three independent events in order?
A. Sum rule B. Product rule C. Chi-square test D. Binomial expansion E. Random sampling error
Which of the following is NOT a criterion for an organism's genetic material?
A. The genetic material must contain information necessary to construct a whole organism. B. The genetic material must be transmitted from parent to offspring. C. To transmit information the genetic material must be replicated. D. The genetic material must be dynamic, changing rapidly in response to changes in the environment. E. Genetic material must account for the known variation within each species and among different species.
Which of the following regions produces hormones that are secreted by the pituitary gland?
A. cerebrum B. cerebellum C. thalamus D. hypothalamus E. medulla oblongata
Because this is happening Water + NaCl ®Na+ + Cl- the solution formed is called
A. ionic. B. an electrolyte. C. salty. D. All of the choices are true.