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Bio CH 2 Cells
Features of Life and the Cell
| Question | Answer |
|---|---|
| adaptation | a trait that makes a living thing better able to survive |
| cell | the basic unit of all living things |
| cell membrane | the cell part that gives the cell shape and holds the cytoplasm |
| cellular respiration | process by which food is broken down and energy released |
| cell wall | the thick outer covering outside the cell membrane |
| centriole | cell parts that help with cell reproduction |
| chloroplast | cell parts that contain the green pigment, chlorophyll |
| chromosome | cell parts with information that determines what traits a living thing will have |
| consumers | living things that eat or consume other living things |
| cytoplasm | the clear, jellylike material between the cell membrane and the nucleus that makes up most of the cell |
| development | all the changes that occur when an living thing grows |
| diffusion | the movement of a substance from where there is a large amount to where there is a small amount |
| mitochondria | cell parts that produce energy from food that has been digested |
| nuclear membrane | a structure that surrounds the nucleus and separates it from the rest of the cell |
| nucleolus | the cell part that helps make ribosomes |
| nucleus | the cell part that controls most of the cell’s activity |
| organ | a group of tissues that work together to do a certain job |
| organism | a living things |
| organ system | a group of organs that work together to do a certain job |
| osmosis | the movement of water across cell membrane |
| producer | living things that make, or produce, their own food |
| reproduce | to form offspring similar to parents |
| ribosome | cell parts where proteins are made |
| tissue | a group of similar cells that work together to carry out a special job |
| vacuole | liquid filled-space that stores food, water, and minerals |
| cytoskeleton | filaments and tubules that extend throughout the cytoplasm |
| lysomes | ontain an array of enzymes capable of breaking down all types of biological polymers |
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