Answer:
This is because the cell membrane is a partially permeable membrane, hence allowing the smaller molecules to enter it and larger molecules to be out. For example, protein is too large to enter the cell
Explanation:
Humans' genomes are about 99.9% the same.
Answer: two
Explanation: toasting bread is a chemical change and so is mixing the lemonade powder into water. The rest of the changes are physical.
Invasive exotic species are species that interfiere with the natural food chain and are usually foreign
The answer is <u>B: a mutation inhibiting human immunodeficiency virus from entering the host cell</u>
