Cell Organelles and Structures

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Presentation transcript:

Cell Organelles and Structures Notes

What is a Cell? SPI 0707.1.1 Identify and describe the function of the major plant and animal cell organelles. Cells are the structural and functional units of all living organisms. Some organisms, such as bacteria, are unicellular, consisting of a single cell. Other organisms, such as humans, are multicellular, or have many cells—an estimated 100,000,000,000,000 cells! Organelles- a specialized subunit of a cell that has a specific function

Taking a look at plant and animal cells

Animal Cell Figure 7-5 Plant and Animal Cells Cytoplasm Nucleolus Section 7-2 Cytoplasm Nucleolus Nucleus Cell Membrane Go to Section:

Cell Organelles and Function Nucleus Nickname: “The Control Center” Function: holds the DNA Parts: Nucleolus: dark spot in the middle of the nucleus that helps make ribosomes

Cell Organelles and Structures 2. Cytoplasm Nickname: Jell-O like “filler. Function: Where the organelles float around.

Animal Cell Figure 7-5 Plant and Animal Cells Cytoplasm Nucleolus Section 7-2 Cytoplasm Nucleolus Ribosomes Nucleus Cell Membrane Go to Section:

Eukaryotic Cell Organelles and Function 3. Ribosomes Function: makes proteins Found in all cells, prokaryotic and eukaryotic

Cell Organelles and Structures 4. Cell membrane- Function: Structure, support, Semi-permeable membrane. Controls what goes into and comes out of the cell.

Animal Cell Figure 7-5 Plant and Animal Cells Cytoplasm Nucleolus Section 7-2 Cytoplasm Nucleolus Ribosomes Nucleus Cell Membrane Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Go to Section:

Eukaryotic Cell Organelles and Function 5. Endoplasmic Reticulum (ER) Nickname: “Roads” Function: The internal delivery system of the cell 2 Types: Rough ER: Description: Rough appearance because it has ribosomes Function: helps make proteins, that’s why it has ribosomes Smooth ER: Description: NO ribosomes Function: makes fats or lipids

Animal Cell Figure 7-5 Plant and Animal Cells Cytoplasm Ribosomes Section 7-2 Cytoplasm Ribosomes Nucleolus Nucleus Cell Membrane Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Golgi Complex Go to Section:

Eukaryotic Cell Organelles and Function 6. Golgi Complex, Golgi Bodies, Golgi Apparatus Nickname: The shippers Function: packages, modifies, and transports materials to different location inside/outside of the cell Appearance: stack of pancakes

Cell Organelles and Structures 7. Lysosomes- Nickname-“clean-up crews” of the cell. Function- Contain digestive chemicals that help break down food molecules, cell wastes, and worn out cell parts (cells also).

Animal Cell Figure 7-5 Plant and Animal Cells Cytoplasm Nucleolus Section 7-2 Cytoplasm Nucleolus Ribosomes Nucleus Cell Membrane Mitochondria Rough Endoplasmic Reticulum Smooth Endoplasmic Reticulum Golgi Bodies

Eukaryotic Cell Organelles and Function 8. Mitochondria Nickname: “The Powerhouse” Function: Energy formation Breaks down food to make ATP ATP: is the major fuel for all cell activities that require energy

Now let’s talk about structures only found in PLANT Cells!!

Cell Organelles and Structures 9. Cell Wall Function: Structure, support, in Plant Cells only, Very rigid

Plant Cell Figure 7-5 Plant and Animal Cells Vacuole Chloroplasts Section 7-2 Vacuole Chloroplasts Cell Membrane Cell Wall Go to Section:

Cell Organelles and Structures 10. Chloroplasts – Function: use chlorophyll, carbon dioxide, and water to convert the energy in sunlight to Glucose and give off oxygen. Found only in Plants.

Chloroplasts

Cell Organelles and Structures 11. Vacuole- Function: storage for food, water, sometimes waste. Large in Plants. This is what makes lettuce crisp.

Directions: Fill in the VENN Diagram to compare PLANT CELLS to ANIMAL CELLS. Use the words in the word box. Cell Wall, Cell Membrane, Ribosomes, Golgi Bodies, Cytoplasm, Chloroplasts, Mitochondria, Vacuole, Endoplasmic Reticulum, Lysosomes, Nucleus   PLANT CELL ANIMAL CELL