In this lesson, you will learn how to. . .
- Identify cell structures and their functions.
- Understand the difference between plant and animal cells.
- Recognize how cells divide.
- Understand the process of photosynthesis.
- Understand how cells make use of energy to carry out their functions.
- Understand how cells differentiate and organize themselves into complex organisms.
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Key Terms
- Stimuli - An agent that directly influences the activity of a living organism or one of its parts
- Organism - A complex structure of interdependent and subordinate elements whose relations and properties are largely determined by their function in the whole
- Organelle - A specialized cellular part
- Nucleus - A cellular organelle that is essential to cell functions
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Cytoplasm - The organized complex of inorganic and organic substances external to the nuclear membrane of a cell
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Mitosis - A process that takes place in the nucleus of a dividing cell, resulting in the formation of two new nuclei each having the same number of chromosomes as the parent nucleus
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Photosynthesis - Formation of carbohydrates from carbon dioxide and a source of hydrogen (e.g., water) in the chlorophyll-containing tissues of plants exposed to light
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Catabolism - Destructive metabolism involving the release of energy and resulting in the breakdown of complex materials within the organism
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Anabolism - The constructive part of metabolism concerned especially with macromolecular synthesis
Source: M-W.com
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On the Test
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On the GED Test, you will be required to have a basic understanding of cell organization, function, and control. Expect to see a lot of graphics: charts, diagrams, and graphs.
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