Controls the movement of substances in and out of cells and organelles.
they keep toxic substances out of the cell; also they contain receptors they also channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass
Hope this helps!
answer: in plant cells, it's usually to store in water and provide the plant support. in animal cells, it's to store the food.
<em>hope this helps! ❤ from peachimin</em>
Answer:
Enzymes are specific to particular reactions. There are 4 types of specificity – absolute, group, linkage, and stereochemical. Not all enzymes work on all substrates.
<span>The substance that serves best to keep our skin smooth and protected is Keratin. Keratin is a fibrous structural protein and is the protein that protects epithelial cells from damage or stress. Keratin is insoluble in water and organic solvents</span>
The person above is correct :)