The proteins in the cell membrane allow the nutrients to go and waste to go out <span>of a cell. Water passes through the cell membrane without the help of proteins.</span>
Answer:
discovery to our planets past
Explanation:
I don't really know if that's what you're looking for... hope this helps!!
Answer:
If that is a picture of DNA, then nucleic acids are the most common macromolecule
Explanation:
Answer: The Organism is most likely to be a starfish