1. Directed Reading: “Cell Organelles”
Ch. 3: “Cell Structure”
Directed Reading: “Cell Organelles”

2. 1. What two substances are made in the nucleus and move into the cytoplasm?
The two substances that are made in the nucleus and move into the cytoplasm are RNA and ribosomal proteins.

3. 2. What substance is stored in the nucleus?
DNA

4. Matching 3. endoplasmic reticulum
c. internal membranes that move substances through the cell
4. Golgi apparatus
a. packages and distributes proteins
5. vesicle
b. small membrane-bound sac
6. lysosomes
d. small organelles that contain digestive enzymes

5. 7. What is ATP?
ATP is an organic molecule that acts as the main energy currency of cells.

6. 8. What function do mitochondria perform?
Mitochondria harvest energy from organic compounds and transfer the energy to ATP.

7. 9. cell membrane B 10. ribosomes 11. nucleus 12. cell wall P
Write Plants if the structure is found in plant cells only. Write Both if the structure is found in both plant cells and animal cells.
9. cell membrane B
10. ribosomes
11. nucleus
12. cell wall P
13. mitochondria B
14. chloroplasts