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Science
Quiz/Test
| The smallest unit of a living | Answer |
|---|---|
| The smallest unit of a living thing that can perform the functions of life. | Cell |
| A combination of substances in which the individual substances do not change or combine chemically but instead retain their own individual properties, can be gases, solids, liquids, or any combination of them | Mixture |
| Compounds that always contain hydrogen and carbon, carbohydrates, lipids, proteins, and nucleic acids are organic compounds found in living things. | Organic compound |
| A type of protein that regulates nearly all chemical reactions in cells; a type of proteinthat speeds up chemical reactions in the body without being changed or used up itself. | enzyme |
| Compound, such as H^2 O, that is made from elements other than carbon and whose atoms usually can be arranged in only one structure. | inorganic compound |
| Movement of substances through a cell membrane without the use of cellular energy; includes diffusion, osmosis, and facilitated diffusion. | Passive Transport |
| A type of passive transport in cells in which molecules move from areas where there are fewer of them. | Diffusion |
| Occurs when molecules of one substance are spread evenly throughout another substance. | equilibrium |
| A type of passive transport that occurs when water diffuses through a cell membrane | Osmosis |
| Energy requiring process in which transport proteins bind with particles and move them through a cell membrane. | active transport |
| Process by which a cell takes in a substance by surrounding it with the cell membrane. | endocytosis |
| Process by which vesicles release their content outside the cell. | Exocytosis |
| constantly moving gel-like mixture inside the cell membrance that contains hereditary material and is the location of most of a cell's life process. | cytoplasm |
| The total of all chemical reactions in an organism. | Metabolism |
| Process by which plants and many other producers use light energy to produce simple sugar from carbon dioxide and water and give off oxygen. | photosynthesis |
| Cell organelle that breaks down lipids and carbohydrates and releases energy. | Mitochondrion |
| Process by which producers and consumers release stored energy from food molicules. | Respiration |
| Process by which oxygen-lacking cells and some one-celled organisms release small amounts of energy from glucose molecules and produce waste such as alchohol, carbon dioxide, and lactid acid | Fermintation |
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mberma3371
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