9. Match the organelle below to its function by typing the appropriate letter next to it.
1.
Mitochondria
a. Surrounds the cell and lets materials into and out of the cell
2.
Cytoplasm
b. Breaks down sugars to release energy
3.
Cell membrane
c. The control center of the cell, containing DNA and genetic material
4.
Nucleus
d. Jelly like substance that fills each cell