1. Structures and Function
Cells
Structures and Function

2. Nucleus
Controls the activities of the cell and holds the DNA
The "brain" of the cell

4. Cytoplasm
Gel-like substance in which most of the cell's life processes take place

5. Vacuoles
Storage for food, water, and other materials
Plant cells has one large one
All animal cells don’t contain

6. Chromosomes
Contain complex genetic information that directs all the cell's activities
Located in the nucleus

7. Plasma Membrane
Outer covering of the cell
Regulates what enters or leaves the cell

8. Mitochondria
Supplies the energy that the cell needs
Release energy from the nutrients taken up in the cell

10. Endoplasmic Reticulum
(ER): transports proteins from one part of cell to another.
Rough ER (with ribosomes)
Smooth ER (no ribosomes)

12. Ribosome
Make proteins
Located on the endoplasmic reticulum or
Free within the cytoplasm of the cell

13. Lysosomes
Storage containers that hold enzymes
Break down larger food molecules into smaller ones

14. Golgi Bodies
Areas for storage/ packaging of chemicals
Pinched off ER
Like a flattened balloon

16. Microtubules
Long, slender tubes that hold the cells more rigid
Support the cell and maintains its shape

17. Spindle Fibers
Microtubules that appear during cell division
Guide chromosomes through the cytoplasm

18. Centrioles
Exist in pairs and perform a function only during cell division
Appear only in animal cells.

19. Cilia
Short, threadlike projections
Locomotion
Moving substances along surface of the cell

20. Flagella
Long hairlike projection
Usually just one or two per cell
Aid in the locomotion of unicellular organisms

21. Plant cells also have three additional organelles that animal cells don’t have

22. Cell Wall
Rigid wall that supports and protects the cell
Located outside the cell membrane

23. Chloroplasts
Plastid that stores chlorophyll
Make own food by converting
light energy into chemical energy

25. Plastids
Storage containers that hold food or pigment

28. Animal Cell

29. Plant Cell

30. Questions
Quiz Wednesday with Page 14 in your notebook!