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Unit 1 Exam Study
Hydroponics Unit Study Help
| Question | Answer |
|---|---|
| Put these in order from simplest to most complex: cell, organ, tissue | cell, tissue, organ |
| How does skin repair itself? | cells in your skin reproduce by cell division |
| Name one part of the cell theory. | cells are the building blocks of life, all living things are made of cells, and cells come from other living cells |
| What is the first phase of mitosis? | prophase- centrioles begin to appear |
| What is mitosis? | cell division |
| What are 3 parts of the cell that are in plant cells only? | chloroplasts, cell wall, and large vacuoles |
| Why are cells shaped differently? | they have different functions (jobs) |
| What kind of substance is pure water? | compound |
| Which product of photosynthesis does the plant use to turn into energy? | glucose/sugar |
| How do cells of basil use carbon dioxide? | combines with water to produce sugar/glucose |
| What is the main goal of respiration? | to extract energy from food |
| Describe respiration. | food reacts with oxygen to produce energy, carbon dioxide, and water |
| How are carbon, hydrogen, and oxygen classified? | elements |
| When metal rusts, what happens to its' mass? | it increases |
| Photosynthesis begins when the sun strikes what part of the plant? | the leaves |
| What is the function (job) of the root? | to absorb water and nutrients |
| When 1 gram of water is evaporated, the volume of the water vapor increases but the mass remains constant. Why? | the number of atoms in the water remains the same, the appearance changes |
| Why are photosynthesis and respiration a cycle? | the products of one are used as the raw materials of the other |
| How can someone separate a solution of sugar and water? | evaporate or distill it |
| Acids range from what two numbers on the pH scale? | 0-7 |
| Bases range from what two numbers on the pH scale? | 7-14 |
| Neutrals are what number on the pH scale? | 7 |
Created by:
bumberns
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