The amount of heat energy needed to raise 1 gram of water from 14.5°C to 15.5°C is called a(n) ________.

A. thermal unit
B. calorie
C. joule
D. erg


Answer: B

Biology & Microbiology

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Which of the following is NOT a factor in

moving blood back to the heart?

a. systolic pressure b. smooth muscle contraction c. skeletal muscle contraction d. one-way valves in veins e. more than one of these is NOT a direct factor in moving blood back to the heart

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The functional unit of the kidney is the

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Griffith's experiments with S. pneumoniae were significant because they showed that traits could be transferred from one organism to another. What else did he find that was significant?

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Biology & Microbiology