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

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_____

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

“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 ______ _________

The Nucleus

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 _________

Endoplasmic Reticulum

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

Golgi Lysosomes

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

Chloroplasts Mitochondria

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 ______ ______

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 ______ ________.

Cell Membrane Cell Wall