Ch. 3: “Cell Structure”

Directed Reading: “Cell Organelles”

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.

2. What substance is stored in the nucleus? DNA

Matching

3. endoplasmic reticulumc. internal membranes that move substances through

the cell4. Golgi apparatusa. packages and distributes proteins5. vesicleb. small membrane-bound sac6. lysosomesd. small organelles that contain digestive enzymes

7. What is ATP?

ATP is an organic molecule that acts as the main energy currency of cells.

8. What function do mitochondria perform? Mitochondria harvest energy from

organic compounds and transfer the energy to ATP.

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 B

11. nucleus B

12. cell wall P

13. mitochondria B

14. chloroplasts P