1. 7.3 Cell Structures and Organelles
Main Idea: Eukaryotic cells contain organelles that allow for specialization and separation of functions within the cell.
TB: 199

6. Cytoplasm and Cytoskeleton
semifluid material
structure that supports organelles
anchor
cell movement
transport within the cell

7. Centrioles
groups of microtubules
cell division

8. Nucleus manager where DNA is held (directions, blueprint)
nuclear envelope
has pores

9. Ribosomes make proteins proteins are used by the cell or moved out
made of RNA and a protein
made in the nucleolus
proteins are used by the cell or moved out

10. ER protein and lipid synthesis large surface area
rough – has ribosomes
produce proteins for export to other cells
smooth – no ribosomes
complex carbs and lipids

11. Golgi modifies, sorts, and packages distribution center
sacs called vesicles
fuse with the cell membrane and released outside the cell

12. Vacuoles storage materials and waste products enzymes, food
animals cells rarely have them and if they do, they are small

13. Lysosome clean up crews
contain enzymes that break things down (digest)
worn out cell parts
food particles
viruses and bacteria
membrane
vacuole

14. Chloroplasts capture light energy (from the sun)
converts it to chemically energy (food – glucose)
thylakoid compartments
Photosynthesis
Chlorophyll

15. Mitochondria converts fuel (food - sugar) into usable energy
surface area

16. Cell Wall thick, rigid mesh of fibers - cellulose
protection and support

17. Short, numerous projections that look like hairs
Cilia
Short, numerous projections that look like hairs
Flagella
400x
Longer and less than cilia
Create movement with a whiplike motion
26,367x

18. Plant and Animal Cell Structures - Differences
Plant Cell
Animal Cell
Plant Cell
Shape
Cell Wall
Vacuole
Chloroplast

19. Analogies Nucleus Golgi Mitochondrion ER Chloroplasts Ribosomes
Vacuole
Cytoplasm
Lysosome
Cell wall
Cell membrane