What does hypertonic mean? *Your answerYou are trying to see if a channel transports a specific ion across a cellmembrane. How would you test this?Your answerWhy aren't ion channels open all the time? *Your answerIf a protein uses active transport to drive one molecule into a cell and onemolecule out of the cell it is calledSymporterAntiporterUniporter

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

What does hypertonic mean? *
Your answer
You are trying to see if a channel transports a specific ion across a cell
membrane. How would you test this?
Your answer
Why aren't ion channels open all the time? *
Your answer
If a protein uses active transport to drive one molecule into a cell and one
molecule out of the cell it is called
Symporter
Antiporter
Uniporter

Expert Solution

Step 1

The plasma membrane of the cell regulates the movement of different molecules in and out of the cell and this function is regulated by the activity of different transporter proteins that are present in the plasma membrane and they are trans membrane proteins which allows the movement of large and hydrophilic molecules to cross the hydrophobic core of the plasma membrane.

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