Answer:
Disaccharides are carbohydrate molecules formed when two monosaccharides join together.
Explanation:
Molluscs. hope this helps!
Answer:
Cell membranes are semi-permeable, which works like a sieve that determines what enters and leaves the cells.
Explanation:
It is semi-permeable and it allows molecules to diffuse inside.
<em>Feel free to mark it as brainliest :P</em>
I believe it's because it uses the movement of the water molecules to hold itself up. I may be wrong...