A person with type B+ blood have which of the following antibodies in their plasma?
a. A only
b. Rh only
c. B only
d. A and Rh
e. B and Rh
A
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In the diagram of the foot, where is the navicular?
a) A b) B c) C d) D e) E
Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?
A. The effector pathway in the somatic reflex arc is myelinated. B. The effector pathway in the visceral reflex arc involves more neurons. C. The effector pathway in the visceral reflex arc involves more chemical synapses. D. Some of the neurons in the effector pathway in the visceral reflex arc are unmyelinated. E. The effector organs in the somatic reflex are closer to the spinal cord.
Axons from the olfactory nerve synapse onto dendrites of mitral cells in this structure:
a. the nasal organ. b. the olfactory mucosa. c. the olfactory cortex d. thalamus e. glomeruli
What must happen before a body cell can begin mitotic cell division?
A)Its DNA must be replicated exactly so that identical copies of the cell's genes can be passed on to each of its offspring. B)The DNA undergoes mutation in order to increase variation in the cell population. C)Its DNA must be divided in half so that half can go to one daughter cell and half can go to the other daughter cell. D)The DNA is expelled from the cell so that it will not be affected by the division process.