Sweating is a useful cooling mechanism for humans because water
A) takes up a great deal of heat in changing from its solid state to its liquid state.
B) takes up a great deal of heat in changing from its liquid state to its gaseous state.
C) can exist in two states at temperatures common on Earth.
D) is an outstanding solvent.
E) ionizes readily.
B
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Where are the light-capturing pigments located in a chloroplast?
A. outer membrane B. inner membrane C. transitional membrane D. thylakoid membrane
When you increased the predation rate, did the prey isocline go up or down, i.e. did the number of predators required to maintain the prey population at zero growth increase or decrease?
a. It went down. b. It went up. c. It didn't change.
In cats, short hair (L) is dominant to long hair
(l); if a short-haired cat of unknown genotype is crossed with a long-haired animal, and they produce one long-haired and one short-haired kittens, this would indicate that
a. the short-haired cat was pure-breeding. b. the short-haired cat was not pure-breeding. c. the long-haired cat was not pure-breeding. d. the long-haired cat was pure-breeding. e. none of these could be determined with only two offspring
Which one of the following is a function of a protein?
A) stores genetic material and enables its transmission to the next generation B) acts as a catalyst, speeding up chemical reactions C) is a major subunit of cellulose D) is a primary structural component of a cell membrane E) provides energy for a muscle contraction