1. Cell Organelles
Use this presentation in conjunction with the Cell Organelle note-taking worksheet. Run through the entire presentation before using it in class so that you know what’s coming next! It helps to print the outline and notes to have with you while presenting so that there are no surprises. –JessB.org

2. Cell Organelles Organelle= “little organ”
Found only inside eukaryotic cells
You may or may not wish to distinguish between cytosol and cytoplasm. The correct use of each term is shown here. Most high school textbooks, however, use the word “cytoplasm” to mean “cytosol.”

3. Nucleus Found ONLY Eukaryotes
Found in BOTH plant and Animal cells in the cytoplasm
Control center of the cell that contains DNA
Cells with more than one nucleus include muscle cells and liver cells, largely because of the massive volume of cytoplasm and number of organelles that need controlling.

4. Cell Membrane Found in BOTH PROKARYOTES and EUKARYOTES
Found in BOTH plant and animal cells
Located outside the cytoplasm
Controls the passage of materials into and out of the cell.
Emphasize word parts here:
phospho= phosphate head; lipid= fatty acid tail
bi= 2

5. Cytoplasm
Found in BOTH PROKARYOTES and EUKARYOTES
Found in BOTH plant and animal cells
Location outside the nucleus or in between cell membrane
Jelly-like material where All organelles reside (live and float around in)
Actin, also found in muscle cells, mainly help maintain cell shape in their cytoskeletal role. Microtubules mostly move organelles around the cell. Intermediate filaments also provide structural support.

6. Ribosome Found in BOTH PROKARYOTES and EUKARYOTES
Found in BOTH plant and animal cells
Found attached to rough ER or floating free in cytoplasm
Site of protein synthesis (produces proteins)
A polypeptide is a chain of amino acids. In this diagram, you can see the ribosome is making a polypeptide, also known as a protein.

7. Endoplasmic Reticulum
Found in EUKARYOTES ONLY
Found in BOTH plant and animal cells
Located in the cytoplasm
Responsible for producing lipids and TRANSPORTING proteins.
It’s not necessary that the students can read the labels here; just point out the black dots are ribosomes.

8. Golgi Apparatus Found in EUKARYOTES ONLY
Found in BOTH plant and animal cells
Located in the cytoplasm
Stores, modifies and packages proteins
AKA Golgi Complex. It is not necessary that the students read the labels, this diagram gives them a general idea of the Golgi’s shape.

9. Lysosomes Found in EUKARYOTES ONLY Found in ANIMAL cells ONLY
Located in the cytoplasm
Garbage disposal of the cell that contains enzymes that break down wastes
Students should recognize the shapes of the Golgi and ER even if they cannot read the captions.

10. Mitochondria Found in EUKARYOTES ONLY
Found in BOTH plant and animal cells
Located in the cytoplasm
“Powerhouse of the cell” that does Cellular respiration to produce ENERGY for the cell
Explain that this diagram shows the mitochondria cut open to reveal the internal membranes.

11. Chloroplast Found in EUKARYOTES ONLY Found in PLANT cells only
Located in the cytoplasm
Site of glucose production called PHOTOSYNTHESIS.
Chloroplasts absorb light, which is the catalyst for photosynthesis.

12. Cell Wall Found in PROKARYOTES and EUKARYOTES
Found in PLANT cells ONLY
Located outside of the cell membrane
Rigid structure made of cellulose that provides PROTECTION and SUPPORT.
This is an actual microscopic image. Explain that the colors are added digitally to enhance the different parts.

13. Plasmid Found in Prokaryotes ONLY NOT found in PLANT or ANIMAL cells
Located in the cytoplasm of bacteria cells
Circular pieces of Deoxyribonucleic acid (DNA) that contains genetic information.
Microtubules are also part of the cytoskeleton.

14. Chromosome Found in BOTH PROKARYOTES and EUKARYOTES
FOUND IN BOTH PLANT AND ANIMAL CELLS.
IN PROKARYOTES – FOUND IN CYTOPLASM
IN EUKARYOTES – FOUND IN THE NUCLEUS
Thread like structures that contains DNA

15. Vacuoles Found in Eukaryotes ONLY
Found in both PLANT and ANIMAL cells.
Found in cytoplasm Large in PLANT CELLS but very small in animal cells.
Storage container for water, food, enzymes, wastes, pigments, etc.
The image is 2D, so it must have been a light microscope or TEM. If the cell is very tiny, then a TEM was used. Otherwise, a strong light microscope could have captured this image.

16. Prokaryote vs Eukaryote
EUKARYOTES
Evolved from prokaryotes
Have a nucleus
Hereditary info is contained within the nucleus
Ex: Animals, Protists, Fungi, Plants
PROKARYOTES
First cells to evolve
No nucleus
Eukaryotes
Hereditary info is contained within cytoplasm
Ex: Archaeabacteria, Eubacteria

17. Quick Review Which organelle is the control center of the cell?
Nucleus
Which organelle controls the passage of materials into and out of the cell?
Cell membrane
Which organelles are not found in animal cells?
Cell wall, LARGE central vacuole, chloroplasts
Which organelle helps plant cells make food?
Chloroplasts
What does E.R. stand for?
Endoplasmic reticulum
You may choose to delete the answers from the PowerPoint or change the animation so that they come in after all 5 questions are asked in case you want to quiz students individually at the end.

18. REVIEW UNTIL THE BELL CLICK THE FOLLOWING LINK TO REVIEW SO MORE!!
REMEMBER TEST IS FRIDAY!!!