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Cytoplasm
1. Fluid in the cell
2. About 70% Water, 30% Proteins, Carbohydrates,
Nucleic Acids, and Ions.
3. Where most chemical Reactions Occur
4. Consistency of Gelatin
Cell Membrane
(Plasma Membrane)
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Mostly Phospholipids Bilayer
Separates the Cell from Environment
Selectively Permeable
Contains Different Types of Transport Proteins
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Control Center of the Cell
Contains DNA and RNA
Separated From the Cell By Nuclear Membrane
Contains Nucleolus.
Nucleus
Nucleolus
1. Dark Area Within Nucleus
2. Where the assembly of Ribosomes begins
Cytoskeleton
1. Gives the Cell their shape and Internal Organization
2. Network of protein filaments (microfilaments and
microtubules)
3. Also involve in movement
Vacuole
1. Fluid Filled, Membrane Bound Structure
2. Reservoir for Food, Water, and Minerals
Chloroplasts
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Photosynthesis Occurs Here
Contains Chlorophyll
Traps Light Energy to Produce Sugars
Found in Leaf Cells
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Thick Outer Layer of Plant Cells
Helps in Structure and Support of Plants
Made of Cellulose
Seen by Robert Hooke in 1665
Cell Wall
Ribosomes
1. Makes Proteins from Amino Acids
2. Composed of RNA and Protein
3. Are both Free & Attached to the Rough Endoplasmic
Reticulum
4. Organelle of Protein Synthesis
Smooth Endoplasmic Reticulum
1. Flattened Interconnected tube-like structure
2. Site where lipid components of the cell membrane
are assembled and exported from the cell
Rough Endoplasmic Reticulum
1. Flattened Interconnected tube-like structure
2. Ribosomes are attached to this endoplasmic
reticulum.
3. Site where proteins are assembled and exported
from the cell
Mitochondria (Mitochondrion)
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Power Plant of the Cell
Contains Inner and Outer Membrane
Cellular Respiration Occurs Here
Breaks down Organic Molecules to Produce Energy
Golgi Apparatus (Golgi Body)
1. Flattened, Slightly Curved Sacs
2. Packages and Sorts Proteins
3. Ships Protein to their Destination
Centrioles
1. Microtubules found in animal cells
2. Located near the nucleus and help to organize cell
division
Lysosome
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Contains Digestive Enzymes
Breaks Down Food
Breaks Down Cell Invaders
If It Were to Break Open It Would Digest Entire Cell