1. 3.2 Cell Organelles KEY CONCEPT Eukaryotic cells share many similarities.

2. 3.2 Cell Organelles Cells have an internal structure.

3. 3.2 Cell Organelles Cells have an internal structure. The cytoskeleton has many functions.

4. 3.2 Cell Organelles Cells have an internal structure. The cytoskeleton has many functions. – –supports and shapes cell

5. 3.2 Cell Organelles Cells have an internal structure. The cytoskeleton has many functions. – –supports and shapes cell – –helps position and transport organelles

6. 3.2 Cell Organelles Cells have an internal structure. The cytoskeleton has many functions. – –supports and shapes cell – –helps position and transport organelles – –provides strength

7. 3.2 Cell Organelles Cells have an internal structure. The cytoskeleton has many functions. – –supports and shapes cell – –helps position and transport organelles – –provides strength – –assists in cell division

8. 3.2 Cell Organelles Cells have an internal structure. The cytoskeleton has many functions. – –supports and shapes cell – –helps position and transport organelles – –provides strength – –assists in cell division – –aids in cell movement

9. 3.2 Cell Organelles Several organelles are involved in making and processing proteins.

10. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. The nucleus stores genetic information. –Nuclear membrane--Nuclear pores –Nucleolus

11. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. The nucleus stores genetic information. Endoplasmic Reticulum – produce proteins & lipids.

12. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. The nucleus stores genetic information. Endoplasmic Reticulum – produce proteins & lipids. There are two types of endoplasmic reticulum.

13. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. The nucleus stores genetic information. Endoplasmic Reticulum – produce proteins & lipids. There are two types of endoplasmic reticulum. – –rough endoplasmic reticulum

14. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. The nucleus stores genetic information. Endoplasmic Reticulum – produce proteins & lipids There are two types of endoplasmic reticulum. – –rough endoplasmic reticulum – –smooth endoplasmic reticulum *helps break down drugs and alcohol

15. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. (continued)

16. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. (continued) Ribosomes – made of protein and RNA; assembled in nucleolus – link amino acids to form proteins.

17. 3.2 Cell Organelles Several organelles are involved in making and processing proteins. (continued) Ribosomes – made of protein and RNA; assembled in nucleolus – link amino acids together to form proteins Vesicles are membrane-bound sacs that hold materials for short pd of tim.

18. 3.2 Cell Organelles Other organelles have various functions.

19. 3.2 Cell Organelles Other organelles have various functions. Mitochondria supply energy to the cell.

20. 3.2 Cell Organelles Other organelles have various functions. Mitochondria supply energy to the cell. Vacuoles are fluid-filled sacs that hold materials for longer pd of time.

21. 3.2 Cell Organelles Other organelles have various functions. Mitochondria supply energy to the cell. Vacuoles are fluid-filled sacs that hold materials. Lysosomes contain enzymes to digest material.

22. 3.2 Cell Organelles Other organelles have various functions. Mitochondria supply energy to the cell. Vacuoles are fluid-filled sacs that hold materials. Lysosomes contain enzymes to digest material. Centrioles are tubes found in the centrosomes – made of microtubules

23. 3.2 Cell Organelles Other organelles have various functions. Mitochondria supply energy to the cell. Vacuoles are fluid-filled sacs that hold materials. Lysosomes contain enzymes to digest material. Centrioles are tubes found in the centrosomes – made of microtubules. – –Centrioles help divide DNA.

24. 3.2 Cell Organelles Other organelles have various functions. Mitochondria supply energy to the cell. Vacuoles are fluid-filled sacs that hold materials. Lysosomes contain enzymes to digest material. Centrioles are tubes found in the centrosomes – made of microtubules. – –Centrioles help divide DNA. – –Centrioles form cilia and flagella.

25. 3.2 Cell Organelles GOLGI APPARATUS – stack of membranes - makes, sorts, and delivers proteins - contains enzymes that help alter proteins if necessary to better function

26. 3.2 Cell Organelles Plant cells have cell walls and chloroplasts. A cell wall provides rigid support.

27. 3.2 Cell Organelles Plant cells have cell walls and chloroplasts. A cell wall provides rigid support. Chloroplasts convert solar energy to chemical energy.

28. 3.2 Cell Organelles Diversity of Cell Life They are interdependent – meaning they rely on each other for their success Much like the members of a sports team Multicellular Organisms These organisms have specialized cells Much like physicians, they have a specific job to do