To act as an effective coolant in a car's radiator, a substance has to have the capacity to absorb a great deal of heat. You have a reference book with tables listing the physical properties of many liquids. In choosing a coolant for your car, which table would you check first?
A) pH
B) density at room temperature
C) heat of vaporization
D) specific heat
D
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Of the following list, which two factors are the main sources of differences among humans? 1. genetic variation 2. behavioral differences 3. differences in metabolism 4. environmental differences
A. 1 & 2 B. 1 & 4 C. 2 & 4 D. 3 & 1
Applied researchers conduct their work to:
a. solve specific practical problems. b. solve any problem they face. c. answer all questions. d. advance our collective knowledge of living systems. e. prove hypotheses.
What molecule determines whether an organism will undergo aerobic or anaerobic respiration?
A.) carbon dioxide B.) glucose C.) oxygen D.) cell membrane
Which of the following bacterial RNA polymerase subunits is found in the holoenzyme, but not the core enzyme?
A) ? (sigma) B) ? (omega) C) ? (beta) D) ?? (beta prime) E) ? (alpha)