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17 Cards in this Set
- Front
- Back
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Biological Themes
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1.Evolution: A change in species over time.
2. Energy Flow: Sunlight E > Chemical E in plants = sugar > animals eat plants 3. Structure determines function: Natural selection has "fine tuned" structures to work efficiently in organisms. |
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observation
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the key to any successful scientific investigation.
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Hypothesis
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a prediction that is done before you start an experiment.
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theory
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a collection of related hypotheses that have been tested many times not rejected.
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Basic components of the celltheory.
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1.all living things are made of cells.
2. cells are the smallest unit of life. 3. cells today only arise from the division of a parent cell. |
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The 4 types of macromolecules
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A. Carbohydrates: starch, sugar (glucose)
B. Lipids: not soluable in water. C. proteins: Chains of amino acids.20 amino acids D. Nucleic aacids: DNA,RNA,ATP |
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cytoskeleton
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supports the structure and the movement of the cell.
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Nucleus
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control center keeps information and controls cell activity.
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ribosomes
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sites of protein synthesis
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Rough endo plasmic reticulum
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makes proteins that will be transported
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smooth endo plasmic reticulum
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makes proteins that will be transported
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ly sosomes
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digest worn out organelles
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mitochondria
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sites of axidative metabolism
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chloroplast
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sites of photosenthesis
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cilia and flagella
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moves fluids over surfaces
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central vacuole
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stores water, sugar,ions and pigments.
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cell walls
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protects or supports the cell
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