In the space provided, write the letter of the description that best matches the term or phrase.
1. endoplasmic reticulum
2. central vacuole
3. chloroplasts
4. Golgi apparatus
5. lysosomes
6. mitochondrion
7. cell
a. an organelle that produces ATP
b. in plants, organelles that use light to make organic compounds
c. the cell's labeling and packaging center
d. small organelles that contain the cell's digestive enzymes
e. smallest unit of life
f. in plant cells, a large, membrane-bound sac that stores water, enzymes, or other substances
g. system of internal membranes that move proteins and other substances throughout the cell