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Kitty [74]
3 years ago
6

Which substance can enter a cell by diffusion

Biology
2 answers:
Sunny_sXe [5.5K]3 years ago
8 0
<span>(1) water because the others are just too complex to be diffused without being digested but water can be diffused as is.</span>
lara [203]3 years ago
4 0
Answer;
The substance that can enter a cell by diffusion without having to be digested is water.

Explanation;
Diffusion involves the movement of molecules from a region of high concentration to a region of low concentration, down a concentration gradient.
Water is able to diffuse through the cell membrane without being digested since it has small molecules.
One property of cell membrane is semi-permeability; it selectively allows material to enter or leave the cell. Large molecules such as starch , fat and proteins, can not enter the cell due to their size and will need to be digested to small molecules for the to gain access to the cell. 
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