If a substance has a pH that is greater than 7, it is
A) neutral.
B) acidic.
C) alkaline.
D) a buffer.
E) a salt.
C
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In addition to myelination, what else influences the speed with which an axon can conduct action potentials?
a. number of dendrites b. fiber diameter c. fiber length d. size of the cell body e. proximity of the nerve to spinal cord
The inability to produce the fluid that keeps most joints moist indicates a disorder of the
A. articular cartilage. B. bursae. C. synovial membrane. D. cruciate ligament. E. mucus membrane.
What structure in the fetus allows blood to directly flow from the right atrium to the left atrium?
A) Ductus venosus B) Ductus arteriosus C) Foramen ovale D) Foramen rotundum
Lysosomes are organelles specialized for breaking down intracellular debris or malfunctioning parts of cells
Indicate whether the statement is true or false.