1. Cells Leech photoreceptor cells

4. Hooke

11. The yolk from bird eggs is one cell.

14. Eukaryotic Structures and Functions Close up view of the cell membrane Structure The Cell Membrane Description “ The Gatekeeper” Function Controls what gets in and out of the cell

15. Eukaryotic Structures and Functions Close up of cytoplasm Structure Cytoplasm Description “ The Storehouse” Function Holds the organelles/gives the cell shape

16. Eukaryotic Structures and Functions Close up of cytoskeleton Structure Cytoskeleton Description Support Function System microtubules that hold organelles

17. Eukaryotic Structures and Functions cytoplasm Structure Cilia Description Hair-like structures Function Movement/feeding

18. Eukaryotic Structures and Functions cytoplasm Structure Flagellum Description Whip-like tail made of microtubules Function “ movement”

19. Eukaryotic Structures and Functions Close up of E.R. with ribosomes cytoplasm Structure Ribosomes Description “ protein factories” Function Make proteins/ some attached to Endoplasmic Reticulum

20. Eukaryotic Structures and Functions Close up of Mitochondria cytoplasm Structure Mitochondria Description “ powerhouse” Function Change the chemical energy into compounds the cell can use.

21. Eukaryotic Structures and Functions Close up of nucleus Structure Nucleus Description “ The Brain” Function Contains heredity information

22. Eukaryotic Structures and Functions Close up of nucleus Structure Nucleolus Description RNA Function Makes RNA

23. Eukaryotic Structures and Functions Close up of nucleus Structure Nuclear Membrane (envelope) Description “ Nuclear Gatekeeper” Function Controls what enters and leaves nucleus through pores

24. Eukaryotic Structures and Functions Close up of nucleus squiggles cytoplasm Structure DNA Description Chromatin normally, thicken into chromosomes during reproduction Function Contains the DNA/information the defines an individual

25. Eukaryotic Structures and Functions Close up of rough E.R. with ribosomes cytoplasm Structure Rough Endoplasmic Reticulum Description “ transports” Function Transports the proteins made by the ribosomes; pinches them off into vacoules

26. Eukaryotic Structures and Functions Close up of smooth E.R. cytoplasm Structure Smooth Endoplasmic Reticulum Description “ stores” Function Makes fats and breaks down toxins

27. Eukaryotic Structures and Functions Close up of golgi cytoplasm Structure Golgi Bodies Description Stacks of sacs/shippers Function Modifies and Packages up proteins made at on the ER.

28. Eukaryotic Structures and Functions Close up of lysosome with digested matter. cytoplasm Structure Lysosomes Description “ cleanup crews” Function Digests foreign materials and breaks down worn out organelles.

29. Eukaryotic Structures and Functions vacuole cytoplasm Structure Vacoules Description Membrane bound sacs Function Membrane forms around food or water particles that are brought into the cell.