Biology

Biology, 18.07.2019 04:00, 25mnauman

Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane? a. substances are moving rapidly across the cell membrane b. atp is being rapidly used near the cell membrane c. substances are moving from high to low concentrations d. substances are moving through channels in the cell membrane

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Biology, 05.07.2019 10:00, LouieHBK

Which phrase correctly describes the function of channel proteins? a. attaches to a substance and changes shape to move that substance through the membrane and into the cell b. transmits information from outside the membrane into the cell c. moves substances from one side of the cell membrane to the other d. has a shape that allows it to binds with certain substances and move them into the cell

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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, 10.07.2019 02:50, jasoncarter

Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?

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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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