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Science Unit A Cells

Cell Theory (3 Key Ideas) All organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. All cells are made from pre-existing cells.
Characteristics of Living Things (MRGREEN) M ovement: R eproduction: G rowth: R esponse: E xchange of gases: E xcretion: N utrition:
steps on how to use a microscope
1 Place the smallest objective lens over the hole in the stage.
2 Turn the focusing knob to create a small gap between the objective lens and stage.
3 Clip a microscope slide onto the stage.
4 Adjust the amount of light passing through the specimen by adjusting the mirror.
5 Look down the eyepiece lens.
6 Turn the focusing knob to see the specimen clearly.
7 Use the fine focusing knob to see the best image.
8 To see a bigger image switch to the next objective lens
9 Use the focusing knob to get the image back into focus.
Nucleus it is the control centre and stores DNA.
Cell Membrane protect the cell from its surroundings and allows material to pass in and out.
Endoplasmic Reticulum creates and folds proteins also has rough/smooth
Chloroplast to conduct photosynthesis and contains chlorophyll.
Cytoplasm space between cell me,brand and nucleus
Golgi Complex modifies, sorts, and packages materials from the endoplasmic reticulum.
Mitochondria to produce the energy currency of the cell by breaking down food (sugar)
RIbosome cell structure to make protein.
cell wall used for structure on a plant and protection and is made of cellulose.
Enzymes breaks down food/lactase
“What are the 4 words that end in ose” Glucose Fructose Lactose Cellulose
Key points Plant and Animal Cell Differences Plant cells are bigger than animal cells. Plants have cell walls which are a layer of carbohydrates which animal cells don’t have. Plants are photosynthetic.
Photosynthesis and Respiration Equations 6(H2O)+6(CO2)TAKES IN SUNLIGHT 6(O2)+ C6H12O6 C6H12O6+6(O2)TAKES OUT SUNLIGHT 6(CO2)+6(H2O)
Photosynthesis: To convert light energy into chemical energy that can later be released to fuel the organisms'.
What part of the cell is known as the GATEKEEPER? The cell membrane acts like the gatekeeper; it controls the movement of materials in and out of the cell.
What the cell wall is the made up of? Cell walls made of cellulose are only found around plant cells and a few other organisms.
Why did Mr. Hua teach you about SWAMP THING? Because it is related to photosynthesis since Swamp Thing can make his own food.
Diffusion: A process that causes molecules to move in and out of a cell.
Osmosis: A process which the molecules of a water pass through a membrane.
Animal Cell Labeling: 1. ribosomes 2.endoplasmic reticulum 3. nucleus 4. lysosomes 5. cell membrane 6. mitochondria 7. cytoplasm 8. Golgi body 9. vacuole
Plant Cell Labeling: 1.nucleus 2.ribosomes 3. mitochondrion 4. chloroplasts 5. Cell membrane 6. cytoplasm 7.cell wall 8. vacuole 9. Golgi body 10. Endoplasmic reticulum
Matching the Cell Definition: cell membrane cytoplasm nucleus endoplasmic reticulum Golgi apparatus ribosome mitochondria chloroplast vacuole cell wall
Created by: 445278122335037