Across
- 2. membrane The thin layer of membrane that allows substances in or out of the cell.
- 4. A single long molecule of DNA.
- 8. A unicellular organism that does not have a nucleus.
- 9. A unicellular or multicellular organism that has a nucleus.
Down
- 1. Small space in the cytoplasm that stores fluids, liquids, and waste.
- 3. Part of a cell that contains genetic material and divides during reproduction.
- 5. Small structures that carry out the chemical activities.
- 6. Organelles that break down food to produce energy for the cell.
- 7. The genetic material organized in chromosomes.