Biology
Biology, 10.10.2019 03:30, elijaahstepp041

When does the cell have to use active transport?

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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.
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Biology, 04.08.2019 05:00, kevo2024
What is the difference between active and passive transport across the plasma membrane? what is the difference between active and passive transport across the plasma membrane? active transport means that the cell is actively going after substances that it wants to bring into the cell, whereas passive transport means that the cell just waits for the substance to cross the membrane. active transport implies that the cell is working with other cells, whereas passive transport implies that the cell does not cooperate with other cells. active transport is atp dependent, whereas passive transport uses only the kinetic energy of the particles for movement across the plasma membrane. active transport is used to move substances down their concentration gradient, whereas passive transport is used to move substances against their concentration gradient?
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Biology, 16.10.2019 12:00, shealwaysknows23
Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. what is the difference between active transport and passive transport? a. active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps. b. active transport is the only form of transport that requires the use of protein carriers. c. active transport requires the cell to expend energy, while passive transport does not.
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