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Eukaryotic Cell Structures & Functions Ch7.3 (Ch7 Vocabulary Guide)

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Presentation on theme: "Eukaryotic Cell Structures & Functions Ch7.3 (Ch7 Vocabulary Guide)"— Presentation transcript:


2 Eukaryotic Cell Structures & Functions Ch7.3 (Ch7 Vocabulary Guide)

3 An Organelle Is: A minute structure within a plant or animal cell that has a particular job or function.

4 What are some functions that occur within a cell? Digestion Excretion Transportation of cells products Storage Protection Division Mobility Respiration or Photosynthesis

5 Organelles found only in Plants: Cell Walls Cellulose Chloroplasts

6 Plant Cell Cellulose = carbohydrate found in cell walls Cell Wall= forms rigid outer structure, made of cellulose (fiber)

7 PLANT CELL Cell wall Large vacuole Chloroplast

8 Found in both Plant and Animal Cells Organelles that surround cells for support: Cell Membrane= Semi-permeable, controls what enters and leaves the cell, outer containment envelope. Cytoskeleton = gives structure to a cell (#14)


10 ANIMAL PLANT Nucleus Cell Membrane

11 Control center for plant and animal cells: This organelle controls cell activities and reproduction

12 Animal Cell Nucleus Nucleolus= little nucleus

13 Nucleus = control center for activities & reproduction, DNA & chromosomes housed here. Nucleolus = contains and makes RNA Control center for plant and animal cells:

14 Chromosome = coiled DNA: contains instruc- tions for char- acteristics of an organism. Chromatin = protein composing chromosomes

15 Red Blood Cells have no: nucleus

16 Nuclear membrane = protects and controls what goes in and out of the nucleus (notice the nuclear pores in this picture of a nucleus) Control center for plant and animal cells:

17 Ribosomes= Site of Protein Synthesis on the E.R. Endoplasmic Reticulum ROUND Ribosomes

18 Cytoplasm: or cytosol, = gel surrounds the organelles, contains enzymes

19 ER = Endoplasmic Reticulum: specializes in the production & transport of lipids and membrane proteins Rough ER has ribosomes Smooth ER lacks ribosomes Ribosomes: Where proteins are manufactured.

20 Endoplasmic Reticulum Rough with Ribosomes for protein synthesis Smooth = Membrane highway For transport of materials

21 Golgi Bodies (aka Golgi Apparatus): where cell products are modified and packaged in vesicles for export from the cell. Sacks for making & storing Secretions

22 Vacuole = storage for food and water Why are plant vacuoles larger than animal vacuoles? Plant Vacuole

23 Do you see 2 Contractile vacuoles in this Paramecium? Some Animal cell vacuoles pump water out by contracting :

24 Lysosome: Contains digestive enzymes Breaks down large molecules

25 Chloroplast= absorbs light, changes light energy into chemical energy for photosynthesis = GREEN Sacks

26 Mitochondria = site where energy is released from glucose in the form of: The power house of the cell: ATP


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