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Cell Theory Cell Theory-_______ statements which describe all cells.

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Presentation on theme: "Cell Theory Cell Theory-_______ statements which describe all cells."— Presentation transcript:

1 Cell Theory Cell Theory-_______ statements which describe all cells.
1. All _____ ______are composed of _____ 2. Cells are the _____ ______of structure and function in living things 3. New cells are produced from ________ cells

2 Two Major Categories of Cells-
1. Prokaryotic Cells- Cells which _____ ______contain a nucleus, and therefore the genetic material is free in the cell 2. Eukaryotic Cells- (Plant and Animal) Cells which contain a ______, and other_____

3 Organelles- structures in Eukaryotic cells which keep the cell alive and working correctly
What does “elles” mean?

4 “DNA” Organelles Nucleus- a small structure in the cell which contains ______ _______ (DNA) and controls _____ ______ (It’s like the boss) Nuclear envelope- ________ and _______ the nucleus Chromatin-is made of _____ and when the cell divides it coils up to form chromosomes Also, this chromatin (DNA) has the information needed to build proteins needed by organisms Nucleolus- small dense area of nucleus which ______ _________

5 The Nucleus

6 E.R. w/ Ribosomes Ribosomes- follow directions from ________, which describe how to make certain proteins. Endoplasmic Reticulum (ER)- 2 Types Rough ER-Has ________ Smooth ER-_____ _____ have ribosomes ER is near nucleus, so directions sent quickly from the _____ to _________

7 Endoplasmic Reticulum

8 Golgi Apparatus & Lysosomes
Golgi Apparatus- ________ proteins from the ER for ______ and ________ inside or outside of the cell Lysosomes- small organelles filled with _______ which have 2 major jobs break down (fat), (sugar), and proteins digest old cell parts which are no longer useful

9 Golgi Lysosomes

10 Energy Organelles Chloroplasts- capture energy from ______ and convert it to sugar ->photosynthesis. Chloroplasts are only found in _______. Mitochondria- convert _____ to ATP ->used by your cells for energy

11 Chloroplasts Mitochondria

12 Structural Organelles
Cytoskeleton- network of protein _______ that help the cell to keep the correct shape. They also help some cells move around the body Centrioles- located near the nucleus and help to organize ______ ______

13 Cell Membrane & Cell Wall Protective Boundaries
Cell Membrane (Plasma Membrane)- ________ the cell and _______ what enters and leaves the cell. Cell Wall- Found outside the plasma membrane. Protects ______ ________.

14 Cell Membrane Cell Wall

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