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Which of the following provides the best description of active transport of materials across the cell membrane? Active transport does not require energy and moves materials from areas of relatively higher to lower concentration. Active transport does not require energy and moves materials from areas of relatively lower to higher concentration. Active transport requires energy and moves materials from areas of relatively lower to higher concentration. Active transport requires energy and moves materials from areas of relatively higher to lower concentration.
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What are some aquatic organisms that live in cold water temperatures?
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Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam
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Approximately how many times does an average human heart beat in a lifetime?
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Which of the following provides the best description of active transport of materials across the cel...
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