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cells and cell funct
quiz
| Term | Definition |
|---|---|
| robert hooke | Looked at tree bark and saw dead cells |
| Anton von Leeuwenhoek | first to observe living cells |
| Theory of Spontaneous Generation | living things could develop from non living things |
| Prokaryotes | Cells that dont have a nucleus |
| Eukaryotes | Cells that Have a nucleus |
| digestion | breaking large substances into smaller ones |
| synthesis | putting together materials needed for growth and functioning |
| excretion | getting rid of wastes |
| absorption | taking nutrients in from the environment |
| reproduction | divide and grow to replace injured/dead cells |
| response | able to change activity in response to stimuli |
| secretion | special cells that produce substances w/ specific function |
| cellular respiration | breaking down glucose to release the stored energy |
| cell wall | thick rigid barrier that protects and supports a cell |
| cell membrane | thin, flexible semi permeable barrier |
| cytoplasm | cell fluid (not jelly like) |
| Nucleolus | organelle in the nucleus that makes Ribosomes |
| ribosomes | assemble amino acids for proteins |
| Endoplasmic reticulum | system of transporting proteins throughout the cell |
| Rough ER | Has ribosomes |
| Smooth ER | Doesn’t have ribosomes |
| Golgi bodies (golgi apparatus) | package and export proteins in the cell |
| mitochondria | power plant of the cell |
| lysosomes | digest foreign material and old/dead cell parts |
| Vacuoles and plastids | used for storage (ex. chloroplasts) |
| cytoskeleton | framework of proteins that give cells shape |
| Microfilaments | thin fibers that attach to the cell membrane |
| flagella | whip like tails |
| cilia | hair like |