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How do large cells move across the cell membrane?

There cannot be large cells inside a cell.


What large molecules need help getting across cell membrane?

In general, molecules that cannot diffuse across the cell membrane are either very large, such as starches and fats, or very polar.


What molecule is able to easily diffuse across the cell's membrane?

Carbon dioxide, oxygen and some nonpolar molecules diffuse easily.


What can go in and out of the cell most easily?

Small nonpolar molecules, such as oxygen and carbon dioxide, can easily pass in and out of the cell through the lipid bilayer of the cell membrane. Water, although polar, can also move across the membrane relatively easily via specialized channels called aquaporins. Larger or charged molecules typically require specific transport proteins to facilitate their movement across the membrane.


Why can oxygen diffuse across a cell but a protein cannot?

Oxygen is much smaller than a protein.proteins are too largeDifference in size


What molecules will move easily across the cell membrane: large proteins, starch, water, or DNA?

Water is the molecule that will move easily across the cell membrane. It can cross the membrane through special channels called aquaporins. Large proteins, starch, and DNA are too large to pass through the membrane without assistance.


Do large cells move across the cell membrane quickly?

A large cell will never move across an intact cell membrane.


Can oxygen diffuse across a cell membrane?

No, oxygen cannot directly diffuse across a cell membrane. Instead, it crosses the cell membrane with the help of specific transport proteins, such as aquaporins and oxygen channels. These proteins facilitate the movement of oxygen from areas of high concentration to low concentration.


Why do molecules easily diffuse across a cell membrane while glucose molecules do not?

Glucose is too big to pass throught.


How does the cell transport materials across the cell membrane?

a cell transports things across the cell membrane from areas of high concentration to ares of low concentration


What are three macromolecules that cannot diffuse across a cell membrane?

Any protein, any fat, and most polypeptides.


What substances easily diffuse a class of cell membrane?

Lipid-soluble substances, such as oxygen, carbon dioxide, and small non-polar molecules, easily diffuse across the cell membrane. These substances can pass through the lipid bilayer of the membrane without the need for specific transport proteins.