Passive transport *Is when an ion flows down a gradient to enter or exit a cellDoes not require energyIs facilitated by ATPCan use ion channelsIf a cell is hypotonic *it could shrivel upit is at equilibriumit could swell and burstall of the aboveWhat does hypertonic mean? *

The cell membrane serves as a barrier between the internal and external environments of the cell.…

Answered: Passive transport * Is when an ion…

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter5: Biological Membranes

Section: Chapter Questions

Problem 7TYU: Test Your Understanding 7.In cotransport (indirect active transport) (a) a uniporter moves a solute...

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Passive transport *
Is when an ion flows down a gradient to enter or exit a cell
Does not require energy
Is facilitated by ATP
Can use ion channels
If a cell is hypotonic *
it could shrivel up
it is at equilibrium
it could swell and burst
all of the above
What does hypertonic mean? *

Expert Solution

Introduction:

The cell membrane serves as a barrier between the internal and external environments of the cell.
Various molecules must be transported across the membrane in order to maintain cellular homeostasis and ensure proper cell function.
Active transport and passive transport are the two major mechanisms for molecular transport across the cell membrane.
The movement of molecules along a concentration gradient from a region of high concentration to a region of low concentration is known as passive transport.
Active transport is the movement of molecules across the cell membrane against a concentration gradient from a region of low concentration to a region of high concentration.

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