The connection between nutritional deficiency and poverty was made during the same period as the discovery of the role of vitamins in health
a. true
b. false
Ans: a. true
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Rank the elements carbon, phosphorus, calcium, and iodine in order of decreasing number of electrons
A. CPCaI B. ICaPC C. IPCCa
Which of the following statements about the cell wall is FALSE?
A. The cell wall constitutes the ECM of plants. B. The cell wall is composed predominantly of proteins. C. The cell wall provides protection, rigidity, and shape to plant cells. D. The cell wall is composed of two distinct layers. E. The cell wall is composed mainly of carbohydrates.
Contraction of the muscles surrounding an arteriole that decreased its diameter by 50% would
A. increase the resistance in the arteriole approximately 16 fold. B. decrease the resistance in the arteriole approximately 16 fold. C. increase the resistance in the arteriole by approximately 50%. D. decrease the resistance in the arteriole approximately 50%. E. not be expected to change resistance in the arteriole.
The white matter differs from gray matter in
that
a. white matter is found in the brain, and gray matter is found in the spinal cord. b. white matter consists of bundles of myelinsheathed axons, and gray matter consists of cell bodies, dendrites, and neuroglial cell. c. white matter transmits sensory information, and gray matter transmits motor information. d. white matter is associated with the sympathetic nervous system, and gray matter is associated with the parasympathetic nervous system. e. all of these are true.