Red light has a longer wavelength than blue light. Will red light have a higher or lower energy content than blue light?

a) higher
b) lower


Ans: b) lower

Biology & Microbiology

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Overproduction of the mineralocoticoid ______ causes excessive water retention

a. cortisol b. aldosterone c. epinephrine d. catecholamine e. ADH

Biology & Microbiology

Respond to statements 130–134 with reference to the five

vitamins listed below. a. Vitamin B1 b. Vitamin B2 c. Niacin d. Vitamin B6 e. Vitamin B12 D 130. This vitamin is a coenzyme involved in amino acid metabolism and is obtained from meats. D 131. This vitamin functions in connective tissue formation. M 132. This vitamin functions in coenzyme action. M 133. A deficiency of this vitamin causes pellagra. D 134. A deficiency of this vitamin causes pernicious anemia and neurological disorders.

Biology & Microbiology

Which of the following is the correct sequence of events in an action potential after stimulation of a neuron?

a. K+ move sin; Na+ moves out. b. Na+ moves in; K+ moves out. c. Na+ moves in; Ca++ moves out. d. Na+ moves in; Cl- moves out. e. K+ moves in; organic anions move out.

Biology & Microbiology

Motor or ____________ neurons transmit nerve impulses away from the CNS.

a) afferent b) efferent c) central d) peripheral

Biology & Microbiology