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science test on cell
| cell membrane | outer shell that holds a cell together and lets things pass in and out of the cell |
| cell wall | found in plant cells and some protistints it gives a stiff rigid shape. not in animals |
| chloroplasts | organelles in a plant that contain chlraphyll which stores energy |
| chromosomes | located in the nucules and are made of genes |
| cytoplasm | watery gell insid the cell |
| mitochondria | organelles where energy is released from food |
| nucular membrane | allows substances to pass through the nucules |
| nucleus | the brain of the cell, controls all activities |
| vacuoles | spaces in the cytoplasm where food and chemicals are stored |
| diffusion | a tendecy of a substance to move from a greater area of concetrationto a lesser area until both are eaqual |
| osmosis | the diffusion of water through cell membrane osmosis keeps the water levels inside out of the cell balanced |
| cell membrane | allows water, food, oxygen to pass |
| photosynthesis | light is turned into food |
| what releases stored energy | cell resprition releases stored energy by breaking down stored energy. Occurs in both plant and animal cells |
| ferminction | sugar is only partly broken down produses latek acid |
| tissues | a group of cells working together to form a specific purpose. nerve and muscle tissue |
| organ | a group of tissues working together to form a specific purpose heart liver |
| organ system | a group of organs working together for a purpose digestive system |
| cell theroy | a theroy cells are the basic unit of structure and function of all living things |
| scientific method | observation, devolop a question, hypothesize, do it, varibules |
Created by:
gman809
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