Biology, 09.07.2019 16:00, lilianajimva
Cell membranes (plasma membranes) organisms maintain homeostasis by controlling what substances may enter or leave cells. some substances can cross a cell membrane through passive transport, while other substances can only cross a cell membrane through active transport. what is the difference between active and passive cellular transport? a. active transport requires the cell to expend energy, while passive transport does not. b. passive transport is the only form of transport that requires the use of protein carriers. c. active transport is the only form of transport that requires the use of protein carriers. d. active transport requires the cell to form vesicles, while passive transport is done through osmosis.
Answers: 1
Biology, 22.06.2019 05:50, clairebear65
Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?
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Biology, 22.06.2019 10:30, DKLDDD1720
Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?
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