It is called passive transport. e.g. by diffusion
Answer:
i am not sure
Explanation:
cell membranes help maintain a state of homeostasis within cells (and tissues, organs, and organ systems) so that an organism can stay alive and healthy. A selectively permeable membrane allows certain molecules through, but not others.
Acceleration
this part is so i have enough characters for it to accept
Amino acids are the building blocks of proteins and can be arranged in many different ways to create different types of proteins. Proteins can contain any number of amino acids and they are all unique in their function.
Hai! I can't really see it clearly but A would match with R.
is there any way u could retake the picturee?