39763630
Descripción
Fichas por Mark Holland, actualizado hace 2 meses
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Creado por Mark Holland
hace alrededor de 2 años
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| Pregunta | Respuesta |
| Homeostasis | The ability to maintain constant, stable internal condition when outside factors change |
| Adaptation |
Any characteristic that helps an organism to survive-will be passed on to an offspring
Image:
Adaptation 001 (image/jpeg)
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| Cohesion | Similar molecules stick together (water to water) |
| Adhesion | Different molecules stick together (water to a table) |
| Hypothesis | A proposed answer to the problem (educated guess before an experiment) |
| Cell | The smallest unit that can carry on all functions of life |
| Stimulus | Any change in the environment |
| pH scale |
Measure of the concentration of Hydrogen ions (acid/base)
Image:
Ph Scale Orig (image/jpeg)
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| catalyst/enzyme | substance that speeds up the rate of a chemical reaction |
| nucleic acid |
DNA and RNA
Image:
Nucleic Acids (image/png)
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| qualitative | Data in the form of recorded descriptions rather than numerical measurements. |
| quantitative | Data that is in numbers |
| Independent Variable | What is deliberately changed or manipulated in an experiment |
| Dependent Variable | What is being measured in an experiment |
| polar molecule |
molecules that have an oppositely charged regions
Image:
Polar (image/png)
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| hydrogen bond | when a Hydrogen atom covalently bonds with another atom (usually oxygen to make water) |
| covalent bond |
chemical bond that forms when electrons are shared.
Image:
Covalent Bond (image/jpeg)
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| ionic bond |
electrical attraction between two oppositely charged atoms (magnets)
Image:
Ionic Bond (image/jpeg)
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| active site | specific location where the substrate attaches to the enzyme |
| activation energy | minimum amount of energy needed in a chemical reaction to form products |
| substrate | reactants that bind to the enzyme |
| polymer | molecule made from repeating units of identical or nearly identical compounds |
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