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Organisms Are made of Organ Systems. Organ Systems.

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Presentation on theme: "Organisms Are made of Organ Systems. Organ Systems."— Presentation transcript:

1 Organisms Are made of Organ Systems

2 Organ Systems

3 Organs Are made of Tissues (heart tissue)

4 Tissues Are made of Eukaryote Cells

5 Eukaryote Cells Are made of Parts

6 Each cell part has a role in Performing the Cell’s Job, which is

7 Structure of a eukaryote cell Protective layer or layers surrounding the cell’s interior (cell wall/cell membrane) Cytoplasm Organelles within the cytoplasm Nucleus

8 All Cells have a Cell Membrane

9 The Cell Membrane Protects the cell Allows only certain materials to enter and exit the cell – selectively- permeable Made of a lipid bi-layer*.bi-layer*.

10 Nucleus

11 The Nucleus Made of 1.Nuclear Membrane/Envelope surrounding the nucleus (selectively permeable) 2.Chromosomes – composed of DNA wrapped around proteins 3.Nucleolus – produces RNA

12 The Nucleus DNA determines 1.which proteins the cell produces 2.how much of each protein the cell produces

13 Cytoplasm

14 Semi-fluid material enclosed by the cell membrane Organelles float in this material

15 Organelles A membrane-bound compartment or structure in a cell that performs special functions. A

16 Free Ribosomes

17 Rough Endoplasmic Reticulum with Ribosomes attached

18 Ribosomes and the Rough Endoplasmic Reticulum Ribosomes: Protein synthesis occurs here Rough ER: covered with ribosomes Once protein molecules are made, the rough ER folds the molecules, and sorts them according to function and destination in the cell*cell*

19 Smooth Endoplasmic Reticulum with No Ribosomes

20 Smooth Endoplasmic Reticulum Provides extra surface area for the action of enzymes.

21 Golgi Apparatus

22 The ER sends proteins to the Golgi Apparatus Here carbohydrates and lipids are attached to proteins and they are sent to their final destination

23 Mitochondrion(a)

24 Mitochondrion Cell respiration occurs here! Cell respiration releases ENERGY from molecules of food This energy is used for all cell functions

25 Cytoskeleton

26 A network of fibers that provides physical support and structure to the cell Made of microtubules and microfilaments.

27 Cytoskeleton The cytoskeleton is responsible for cell shape, movement of the cell as a whole (in one celled organisms), and movement of organelles in the cell.*

28 Certain Cell Parts are ONLY found in Plant Cells OR Animal Cells

29 Animal Cells have organelles called Lysosomes

30 Lysosomes Digest cellular waste and obsolete molecules and organelles.

31 Animal Cells have organelles called Centrioles

32 Centrioles Play a role in reproduction of animal cells

33 Plant Cells have organelles called Chloroplasts

34 Chloroplasts Site of photosynthesis in plant cells Photosynthesis produces carbohydrates* carbohydrates*

35 Plant Cells have Cell Walls

36 Cell Walls Provide support and protection for cell Provide rigidity to cell – allow plants to be tall without a skeleton Found in plants, fungi, algae and most prokaryote cells.

37 Cell Walls Made of carbohydrates and protein. One type of carbohydrate is cellulose = wood and paper. The presence of cell walls allows large plants to stand tall without a skeleton. Selectively permeable

38 Plant Cells have Large Central Vacuoles

39 Large Central Vacuoles Provides storage for water, salts, waste in plants Animal cells have multiple small vacuoles (not located in center of cell)

40 The Cell as a Factory

41 The Inner Life of a Cell

42 Summary – Use your notes 1.Make a Venn Diagram showing which cell parts are found only in Animal Cells, only in Plant Cells and in both types of cells. 2.Which cell parts are necessary for the physical structure of the cell? 3.Beginning with the nucleus and ending with the Golgi Apparatus  Make a table: Name and describe the job of cell parts related to making proteins. 4.Name and describe the job of cell parts related to food and energy.


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