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27 Cards in this Set
- Front
- Back
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Who was Dr. Redi?
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Dr. Redi did the meat and maggot experiment. He sealed flask, cloth, no active principle, etc.
He did not believe in spontaneous generation. |
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Who was Spallanzani?
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He improved upon needham's experiment of sealing the broth in a flask. He melted the glass and boiled it for an hour.
He did not believe in spontaneous generation. |
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Who was Louis Pasteur?
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Improved on Spallanzani's experiment. He made the flask S shaped to allow the active principle to enter.
He did not believe in spontaneous generation. |
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Characteristics of life ?
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-Movement
-Response -Energy Use -Excretion |
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Who was Robert Hooke?
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He discovered cells.
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What was the cell theory?
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It stated:
1. The cell is the basic of living units for all organisms. 2. All organisms are composed of cells or cell products. 3. All cells come from other cells. |
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Define metabolism.
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The sum of chemical and physical processes working inside a cell.
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Define water.
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Required by all living things to live.
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Define development.
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The process of orderly change.
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Define reproduction.
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The process in which organisms produce more organisms.
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Define inheritance.
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The passing of characteristics from one generation to the next.
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Define adaption.
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An existing structure or behavior that contributes to the survival of an organism in a particular environment.
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Nucleus?
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control center of the cell, it regulates its actions.
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Cytosol?
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A protein rich material.
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Ribosomes?
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Where protein synthesis occurs, found floating freely in the cell or attached to the ER
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ER?
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continuous with the outer portion of the nuclear envelope.
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Golgi Apparatus?
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Fuses with ER, they undergo chemical changes.
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Mitochondria?
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Supplies energy to the cell. Tightly folded.
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Plastids?
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Found only in plants.
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Vacuoles?
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Storage centers.
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Lysosomes?
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Tear down old, worn down parts.
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Cytoskeletons?
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Supports system that give cells shape.
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Centriole?
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Helps in reproduction.
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Plasma Membrane?
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Protective barrier that surrounds the cell.
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Diffusion?
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Moving from an area of high concentration to an area of lower concentration, balancing them out.
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Permeability?
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A membrane or wall that substance can pass through.
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Figure out osmosis, hypertonic, turgidity.
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