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| Question | Answer |
|---|---|
| cell membrane | -a continuous, almost invisible structure surrounding the cell |
| endoplasmic reticulum (ER) | -the cell’s transportation system which has a large surface area due to its looping membrane |
| cytoplasm | the cell’s environment which is mostly made of water, salts, dissolved gasses, nutrients, and wastes |
| Golgi bodies | packs and carries proteins in little bubbles that separate and float into the cytoplasm |
| nucleus | the cell’s computer, which uses DNA to regulate all activities of the cell and makes ribosomes |
| mitochondria | the cell’s powerhouse which supplies the energy that the cell needs and provides the location for aerobic respiratioion |
| nuclear membrane | the nucleus’ protection that allows materials to pass in and out, except for DNA. |
| ribosomes | creates the product of the cell—the proteins that will become body structures. |
| lysosomes | he cell’s recyclers which are produced by the Golgi bodies. Lysosomes are made of a single membrane wrapped around powerful digestive enzymes. . |
| vacuoles | -store material and waste, release waste. |
| cell wall | rigid structure that encloses, supports, and protects the cells of plants (*plant cells only). |
| chloroplast | -green, chlorophyll-containing, plant-cell organelle that converts sunlight, carbon dioxide, and water into sugar (*plant cells only). |
| chlorophyll | green, light-trapping pigment in plant chloroplasts (*plant cells only). |
| Diffusion | is the movement of molecules from an area where there are more of those molecules to an area where there are less of them. |
| Osmosis | is the diffusion of water. |
| The movement of molecules through diffusion is | passive transport. |
| The 4 most plentiful (by weight) elements in the human body are: | 1) oxygen, 2) carbon, 3) hydrogen, and 4) nitrogen. |
| is the process that uses light to make food | Photosynthesis. |
| It uses to aid in the process | chlorophyll. |
| The reactants (raw materials) of photosynthesis are | carbon dioxide, water, and sunlight.. |
| The products (or waste products) of photosynthesis are.. | glucose and oxygen. . |
| is the reverse process of photosynthesis. | Respiration |
| The reactants of respiration are | glucose and oxygen. |
| The products of respiration are | carbon dioxide and water. |