cells

2. reticulum, a network of tubes and membranes that carry materials throughout a cell.
6. membrane, the thin barrier where a cell can exchange materials with its environment.
7. a mixture of genetic materials including DNA and proteins.
8. organelles where photosynthesis takes place in the cells of plants and algae.
9. a spherical structure inside the nucleus that makes ribosomes.
12. cell, a type of cell that has a nucleus and membrane-bound organelles
13. organelles where proteins are synthesized.
14. apparatus, an organelle that receives proteins and other materials, packages the materials, moves the materials around the cell, and sometimes moves the materials out of the cell.

1. organelles that help break down wastes, old cell parts, and other materials.
3. wall, a tough, rigid layer that surrounds the cells of some organisms, such as plants, fungi, and bacteria
4. a compartment that can store water, food, and waste.
5. cell, a type of cell that does not have a nucleus or membrane-bound organelles
6. the organelles and gel-like fluid inside the cell membrane.
10. a structure that contains DNA and controls the cell.
11. energy-producing organelles found in most eukaryotic cells.