In India, rice is a large part of the diet. Lack of which vitamin in rice would lead to higher levels of blindness in this population?
A) vitamin A
B) vitamin E
C) vitamin C
D) vitamin D
A
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The Peripheral Nervous System is composed of sensory neurons and motor neurons.
a. true b. false
Which of the following is NOT true of the curvatures of the vertebral column?
A. The thoracic and sacral curvatures are convex on the anterior side and concave on the posterior side. B. The cervical and lumbar curvatures are secondary curvatures. C. There are four curvatures of the vertebral column. D. Primary curvatures are formed by the time of birth. E. All of these are true of the curvatures of the vertebral column.
Which papillae, distributed on the anterior two-thirds of the tongue surface, actually lack taste buds?
A. Papiform B. Filiform C. Fungiform D. Vallate E. Foliate
Read about the gray crescent in your textbook. How does its location relate to the site of sperm penetration?
What will be an ideal response?