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24 Cards in this Set
- Front
- Back
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What are all animals and plants made of? |
Cells |
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What are organisms such as bacteria and Amoeba described as? |
Unicellular |
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What are larger organisms described as? |
Multicellular |
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How many times does a school microscope magnify and does it use light? |
A few hundred times and uses light |
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How many times does a laboratory optical microscope magnify and does it use light? |
A few thousands times and uses light |
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How many times does an electron microscope magnify and does it use light? |
A few million times and it does not use light |
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What is the function of the cell membrane? |
Controls what enters and leaves the cell |
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What is the function of the cytoplasm? |
Provides a place for many chemical reactions to happen |
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What is the function of the nucleus? |
Contains genetic information which controls the cell's activities |
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What is the function of the mitochondria? |
Release energy via aerobic respiration |
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What is the function of the ribosomes? |
Make proteins from amino acids according to instructions from DNA. |
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Name three organelle that plant cells contain that animal cells don't? |
Cell walls, vacuoles and chloroplasts |
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What is the cell wall made of? |
Cellulose |
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Why is the cell wall made of cellulose? |
To give support so that large structures can be formed within. |
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What is the function of a vacuole? |
A sap-filled organelle which helps to make the cell rigid |
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What is food stored as in a plant cell? |
Starch |
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What does chlorophyll do? |
It is a pigment and absorbs light energy for photosynthesis |
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What does photosynthesis produce? |
Glucose (food for the plant) |
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What is different from a bacterial cell and an animal cell? |
Bacterial cells have cell walls and do not have a distinct nucleus. |
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What do our bodies use to make sure chemical reactions happen at the right rates? |
Enzymes |
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What are enzymes made of? |
Proteins |
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What is the function of enzymes? |
They act as catalysts (things that speed up a reaction) |
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Each enzyme is ...... to a particular reaction? |
Specific |
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What would the enzymes in chloroplasts be associated with? |
Photosynthesis |
