Answer:
Cellulose is the main substance found in plant cell walls and helps the plant to remain stiff and strong
Explanation:
Answer:
Mitochondria
Explanation:
Mitochondria is the site of cellular respiration which produces energy. A cell with few energy needs would therefore contain a small number of this organelle.
Evaporation and transpiration since the suns energy causes this phenomenon
Answer:
Protein is correct
Explanation: the other three choices have positive charges