what chapter is it? and do you have a vocab sheet that goes with this?
Answer:
a
Explanation:
ok I just know ok how's your day
Answer:
These cells have a circular DNA molecules
Explanation:
Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly.
