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10 Cards in this Set
- Front
- Back
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What is a theory?
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A well established set of principles that have been developed and tested repeatedly with evidence to support the claim. |
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Name the five basic components of a plant or animal cell
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Nucleus Cytoplasm Cell membrane Mitochondria Ribosomes |
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What is Cell Theory? What are it's conditions?
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- Cells are the smallest unit of live - All cells are made of pre-existing cells. |
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What are the exceptions to Cell Theory?
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Giant Algae: Unicellular. Up to 100m in diameter. Striated Muscle Cell: Fibres that are up to 300mm in diameter. Are multinucleated. Aseptate fungal Hyphae: Multinucleated. Have a continuous cytoplasm - one long hyphae. |
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What are the seven functions of life?
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Metabolism Growth Reproduction Response Homeostatis Nutrition Excretion |
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Define Metabolism
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A set of life-sustaining chemical transformations within the cells of living organisms that are catalysed by enzymes. Includes all the chemical reactions that occur within an organism |
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Define Growth
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May be limited but is evident in one way or another. Calls can convert energy from one form or another. |
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Define Reproduction |
Involves hereditary molecules that can be passed on to offspring |
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Define Response |
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Define Homeostatis |
The maintenance of a constant internal environment but controlling a fluctuation temperature or acid base levels.
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