Which one of the following groups would not be capable of hydrogen bonding with an oxygen atom on another functional group?
A. amino
B. hydroxyl
C. carboxylic acid
D. sulfhydryl
E. none of the above
Ans: E. none of the above
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If a pigment absorbed violet, yellow, orange, red, and green light, what color would it appear to be?
a. white b. brown c. black d. blue e. gray
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A) the rate of organic production exceeds the rate of decomposition. B) there is no outflow of water, resulting in increasing salinities. C) they are seasonal, filling with water during the wet season and drying out during the dry season. D) they have a two-way flow of water due to tidal action.
The axon hillock in the presynaptic neuron fire based on temporal and spatial summation of inputs
a. true b. false