Question

1. what is the function of: a. the cell membrane? (1 mark) b. mitochondria? (1 mark) c. chloroplasts? (1 mark)

Explanation:

a. The cell - membrane is a selectively permeable barrier. It controls the movement of substances in and out of the cell and also provides structural support and cell - to - cell communication.
b. Mitochondria are the powerhouses of the cell. They generate ATP through cellular respiration, providing energy for the cell's activities.
c. Chloroplasts are the sites of photosynthesis in plant cells. They convert light energy into chemical energy in the form of glucose.

Answer:

a. Controls substance movement and provides support/communication.
b. Generates ATP for cell energy.
c. Site of photosynthesis in plants.