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FABISH2016SCIENCETG
Tanner Gavin Science Mrs. Fabish Test Lab McClure Hahn
| Question | Answer |
|---|---|
| Define Atoms | Make up Matter |
| Define Electron | Found outside nucleus, have negative charge |
| Define Proton | Found inside nucleus, have positive charge |
| Define Neutron | Found inside nucleus, have no charge |
| Define Element | Made up of one type of Atom |
| Define Molecule | Atoms of the same element bonded together i.e) O2 |
| Define Compound | Made up of two or more different elements that combine chemically i.e) H20-water; CO2; CO |
| Define Mixture | Made of substances that combine physically Can be solids, liquids or gases or combinations of both i.e) sand and baking soda; chocolate chip ice cream |
| Explain the difference between inorganic and organic compounds | Organic) Contains carbon Inorganic) Does not contain carbon |
| Explain the difference between a solution and a suspension | Solution) two or more substances are combined evenly Suspensions) gas or liquid has another substance evenly spread throughout it |
| Explain why blood is a suspension | Blood cells can sink to the bottom without being "mixed" by circulation of blood flow. |
| What are the three reasons water is important? | living things are made of more than 50% water needed for chemical reactions to occur used to transport materials throughout the organism |
| Define carbohydrates | supply energy for cell process made up of sugar and starches-like glucose |
| What are the three characteristics of lipids? | fats and oils; do not mix with water release a larger amount of energy than carbohydrates; harder to break down found in cell membranes; make cell membrane selectively permeable b/c fats and oils do not mix with water |
| Since lipids have more energy stored in their bonds why does the body get more use-able energy from carbohydrates | your body converts them to glucose and your body runs on glucose |
| What are proteins made of? | amino acids |
| What are the two uses or proteins in the body? | make up many structures like muscle make up enzymes |
| What are nucleic acids? | store coded information for cells in DNA |
| Define DNA and where it is located in the cell | deoxyribonucleic acid nucleus |
| Define enzymes | regulate all chemical reactions in cell, can speed up the rate of a reaction proteins |
| Explain why mitochondria are important | Break down cristae into energy |
Created by:
ChummieFummie
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