Answer: A chromosomes
Explanation: A chromosomes has a large strand of dna and is made up of many genes.
75% is my answer! I hope you get it right!
I don't know what you the answers provided are if you can comment i'll be glad to help you :)
What I know is that amino acid has side chain, amine groupe ,and groupe of carboxyl so what make them difference is side group where the is 20 different R-group which give each individual characteristics
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>