A posterior root contains
A. sensory axons only.
B. motor axons only.
C. a mix of sensory and motor axons.
D. autonomic nervous system axons.
A
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The thymus is located posterior to the
A. manubrium of the sternum. B. body of the sternum. C. xiphoid process of the sternum. D. None of the above; the thymus is anterior to the thyroid gland.
Osteoporosis is most common in elderly women due to their lack of what?
A. Estrogen B. Osteoclast activity C. Parathyroid hormone D. Dietary calcium E. Vigorous exercise
Which of the following structures is most like the receptor of a homeostatic control mechanism?
A. The mechanism that opens the automatic door at the local grocery store B. The mechanism that detects a decrease in tire pressure on an automobile C. The heating element of a hot water heater D. All of the choices are correct.
match the base triplet of DNA to the amino acid specified by the genetic code.
CCA - CGT - TGC - GTA threonine - histidine - glycine - alanine