The<em> cell membrane</em> controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules.
Answer:
1. water, CO2 and Light energy
2. the runner's cells are making up for an oxygen deficit
3. chloroplasts absorb sunlight
4. carbon dioxide
5. eukaryotes
Explanation:
Answer:
c. the cells grow in size and content producing mainly proteins
Answer:
because he trusted no one
Explanation: