Science Unit A Cells
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 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.
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| Characteristics of Living Things (MRGREEN) | M ovement:
R eproduction:
G rowth:
R esponse:
E xchange of gases:
E xcretion:
N utrition:
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| steps on how to use a microscope |
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| 1 | Place the smallest objective lens over the hole in the stage.
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| 2 | Turn the focusing knob to create a small gap between the objective lens and stage.
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| 3 | Clip a microscope slide onto the stage.
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| 4 | Adjust the amount of light passing through the specimen by adjusting the mirror.
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| 5 | Look down the eyepiece lens.
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| 6 | Turn the focusing knob to see the specimen clearly.
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| 7 | Use the fine focusing knob to see the best image.
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| 8 | To see a bigger image switch to the next objective lens
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| 9 | Use the focusing knob to get the image back into focus.
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| Nucleus | it is the control centre and stores DNA.
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| Cell Membrane | protect the cell from its surroundings and allows material to pass in and out.
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| Endoplasmic Reticulum | creates and folds proteins also has rough/smooth
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| Chloroplast | to conduct photosynthesis and contains chlorophyll.
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| Cytoplasm | space between cell me,brand and nucleus
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| Golgi Complex | modifies, sorts, and packages materials from the endoplasmic reticulum.
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| Mitochondria | to produce the energy currency of the cell by breaking down food (sugar)
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| RIbosome | cell structure to make protein.
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| cell wall | used for structure on a plant and protection and is made of cellulose.
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| Enzymes | breaks down food/lactase
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| “What are the 4 words that end in ose” | Glucose
Fructose
Lactose
Cellulose
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| 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.
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| Photosynthesis and Respiration Equations | 6(H2O)+6(CO2)TAKES IN SUNLIGHT 6(O2)+ C6H12O6
C6H12O6+6(O2)TAKES OUT SUNLIGHT 6(CO2)+6(H2O)
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| Photosynthesis: | To convert light energy into chemical energy that can later be released to fuel the organisms'.
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| 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.
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| 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.
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| Why did Mr. Hua teach you about SWAMP THING? | Because it is related to photosynthesis since Swamp Thing can make his own food.
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| Diffusion: | A process that causes molecules to move in and out of a cell.
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| Osmosis: | A process which the molecules of a water pass through a membrane.
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| Animal Cell Labeling: | 1. ribosomes
2.endoplasmic reticulum
3. nucleus
4. lysosomes
5. cell membrane
6. mitochondria
7. cytoplasm
8. Golgi body
9. vacuole
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| 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
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| Matching the Cell Definition: | cell membrane
cytoplasm
nucleus
endoplasmic reticulum
Golgi apparatus
ribosome
mitochondria
chloroplast
vacuole
cell wall
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