If free to move, a molecule will always move from an area of higher concentration to an area of lower concentration.

a. true
b. false


Ans: a. true

Biology & Microbiology

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True or False: not all photosynthetic organisms are plants, but one thing they all have in common is that they can only be found within a narrow temperature and moisture range

A. true B. false

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What common life characteristic would cells from a daisy, an apple and a dog all have?

A. DNA B. tissues C. organs D. viruses

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Hydrophobic molecules are ____ water

a. attracted by b. absorbed by c. repelled by d. mixed with e. polarized by

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Choose the proper item below for statements 60–63

a. Thomas Brock b. Stanley Miller c. Jeon Kwang d. Lynn Margulis e. Australian researcher(s) M 60. He/she is a major proponent of endosymbiosis. E 61. He/she very early provided experimental evidence for endosymbiosis. D 62. He/she discovered an organism that contains a heatresistant enzyme. D 63. He/she conducted the first primitive atmosphere simulation experiment.

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