MacromoleculeWhat kinds of molecules may pass throughthe cell membrane without the help oftransport proteins?O Large and hydrophobicO Small and hydrophobicO Large and hydrophilicO None of the above

Cell membranes act as barriers and gatekeepers. Cell membrane is semi-permeable .Cell membrane…

Answered: What kinds of molecules the cell…

What kinds of molecules the cell membrane witho transport proteins? O Large and hydrophobic= O Small and hydrophobic O Large and hydrophilic O None of the above

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter3: Cell Structure

Section: Chapter Questions

Problem 8SQ: In a lipid bilayer, the of all the lipid molecules are sandwiched between all of the __________. a....

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

Macromolecule
What kinds of molecules may pass through
the cell membrane without the help of
transport proteins?
O Large and hydrophobic
O Small and hydrophobic
O Large and hydrophilic
O None of the above

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