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.
bt bb bz bz bs bs db h bj bg
Explanation:
hajans
answer: The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar and oxygen, leave the leaf.
Explanation:
hope this help
C they are always found in homologous pairs
1:I'm pretty sure the answer is Metaphase because the cell didn't split apart or start to yet.
2: Is Anaphase
3: Telophase
4: Cytokinesis