| A | B |
|---|
| organism | a single, complete living thing |
| life processes | things that organisms do to stay alive |
| stimulus | events or conditions that cause organisms to react |
| response | a reaction to a stimulus |
| metabolism | the chemical activities that take place in an organism |
| reproduction | how organisms make others of their own kind |
| cell | the smallest unit that life processes can take place |
| matter | anything that has mass and takes up space |
| carbohydrates | organic compounds that are the main source of energy for living things |
| lipids | organic compounds that store energy |
| proteins | organic compounds that control the structure and function of living things |
| nucleus | organelle that controls the activites of cells |
| organelles | structures that carry out cell activities |
| cytoplasm | a jellylike material that surrounds the nucleus |
| mitochondria | known as the powerhouse of the cell |
| ribosomes | organelles that build proteins |
| ER | tubes that enable materials to move through a cell |
| vacuoles | organelles that store fluids |
| cell membrane | organelle that controls the flow of materials in and out of a cell |
| cell wall | a non-living structure that surrounds a plant cell |
| permeable | means that materials can flow through it |
| semi-permeable | means that some materials can through it, but others cannot |
| passive transport | movement of substances through a cell membrane without using energy |
| active transport | movement of materials through a cell membrane using energy |
| diffusion | passive movement of particle from a crowded area to a less crowded area |
| osmosis | passive diffusion of water through a semi-permeable membrane |
| glucose | a type of sugar that is the main source of energy for a cell |
| respiration | the process of releasing energy from food |
| photosynthesis | a process by which plants make glucose |
| mitosis | cell division that produces daughter cells that are just like the parent cell |
| interphase | a time of growth between cell divisions |
| prophase | 1st stage of mitosis; chromosomes double |
| chromosomes | threadlike structures that contain DNA (genetic material) |
| metaphase | 2nd stage of mitosis; chromosomes line up in the middle of the nucleus |
| anaphase | 3rd stage of mitosis; chromosomes move to opposite sides of the cell |
| telophase | 4th stage of mitosis; the daughter cells form |
| Jeff Gordon | the best NASCAR driver |
| Oakland Raiders | the best NFL team |
| Mr. "S" | a nice guy |
| Mr. Vogt | a really nice guy |
