Functions of Parts of a Cell

1. Functions of Parts of a Cell

2. Directions • Read each slide carefully. • Fill in the blanks in your chart with the missing words. • Make check marks in the columns for animal or plant cell. • Get the picture clue sheet when done. Cut apart and glue into the right places.

3. Here come the organelles…!

4. Cell Wall • Plant cells only • Give plants their shape, structure, support, and protection • Surrounds the cell membrane • Allows H2O, O2, and CO2, to pass in and out of the cell

5. Cell Membrane • A continuous, almost invisible structure surrounding the cell • Supports & protects the cell • Controls movement of materials in and out of the cell

6. Nucleus • The cell’s computer, brain, or manager. Uses DNA to control the cell’s activity • Contains all the information the cell needs to do specific jobs, grow, and divide • Information is stored in DNA molecules • Contains the nucleolus which makes ribosomes • Determines what proteins will be made

7. Nuclear Membrane • Protects and guards the nucleus. Allows materials to pass in and out. • Keeps the DNA inside the nucleus • Allows other materials to pass in and out of the nucleus

8. Cytoplasm • The cell’s environment or inner space. • Mostly made of water and contains organelles • The jellylike material outside the cell nucleus.

9. Chloroplasts • Plant cells only • Uses energy from the sun to make food for the plant through photosynthesis • Where photosynthesis takes place • Power generator for the plant • Give plants their green color

10. Mitochondria • Powerhouse of the cell. Supplies energy that the cell needs. • Breaks down sugar molecules into energy • Need oxygen to make energy and give off carbon dioxide as waste

11. Ribosomes • Produces protein which is the Product of the cell • Cells need protein to survive and grow Protein Protein

12. Vacuoles • Storage bubbles found in cells. • Much larger in plant cells.Store food or nutrients a cell might need to survive. • Store waste products so the rest of the cell is protected from contamination.

13. Golgi Bodies Packs • Packs and carries proteins in little bubbles that separate and float into the cytoplasm. • Prepares the proteins for use or delivery outside the cell

14. Endoplasmic Reticulum (E.R.) • Transportation system of the cell. Carries material through the cell. • Rough ER has ribosomes attached to it so the proteins they make can be released directly into the ER for transport • Smooth ER collects things and contains them

15. Lysosomes • Cell’s recycler. Breaks down large food and digests old cell parts. • Contains enzymes which break down the proteins

16. OBSERVE The Differences between Animal & Plant Cells

17. Now get your sheet of pictures! Protein Cut out the symbols and glue them next to the correct cell part, to help you remember the function of the organelle. Hint: Go back to the slide to see which picture goes with it!

18. Answer Key * Check if you have all the symbols in the right boxes. * Check if the organelle is in animal cells, plant cells or both. * Then quiz a partner about the function of each of these organelles, by taking turns asking questions and using your paper to check the answers.