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Biology
Chemistry of Life
| Question | Answer |
|---|---|
| atom | the building blocks of life |
| enzyme | proteins that speed up chemical reactions Specific-a substrate binds to the active site works best at a certain temperature And pH can be used over and over again |
| nucleus (of an atom) | center of an atom |
| polar molecule | have partial + and partial - ends |
| solution | evenly distributed mixture |
| solute | the substance that is dissolved in solvent |
| solvent | the substance in which another substance is dissolved |
| Acid | any ionic compound that can release hydrogen ions (H+) when in solution (sour taste/less than 7 on pH scale) |
| Base | any ionic compound that can release hydroxide ions (OH-) when in solution (bitter taste/greater than 7 on pH scale) |
| covalent bond | formed when electrons are shared between atoms |
| ionic bond | electrical attraction between 2 oppositely charged atoms called ions |
| buffer | a solution that can react with acids or bases to keep the pH in a particular range |
| reactants | atoms or molecules that enter a reaction |
| products | atoms or molecules that are made from reaction |
| isotope | atoms of the same element that have different numbers of neutrons |
| ions | two oppositely charged atoms |
| cohesion | molecules form hydrogen bonds (water,water) |
| adhesion | molecules form hydrogen bonds (water,something else) |
| macromolecules | large molecules formed by joining smaller organic molecules together |
| polymers | made up of monomers |
| monomers | smaller molecules that act as building blocks |
| carbohydrates | building blocks-monomer-monosaccharides-single sugar (example-glucose) |
| function for carbohydrates | energy storage,provide structural support, can from dissacharides-two monosacharides together |
| lipids | building blocks(monomer)-glycerol and fatty acids |
| function for lipids | -store energy for long term -provide/create barriers-protects our organs because covered by fat (fats,oils,waxes,steroids) |
| proteins | monomer-amino acids |
| function for proteins | -transport substances-hemoglobin -speed reactions-enzymes |
| nucleic acids | store communicate genetic information Example-DNA |
| condensation reaction | process that combines sugars together (2 monosaccharides make a disaccharide) |
Created by:
sabrina.kizy
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