A | B |
organelle | small part of a cell that has a specific function |
mitochondria | powerhouse of the cell; converts energy in glucose to ATP |
chloroplast | converts sunlight and CO2 into glucose and O2; in plant cell |
nucelus | contains DNA; control center of the cell |
vacuole | stores water and food; large one is found in plants |
cell membrane | lipid bilayer; lets things in and out of cells |
cell wall | made of cellulose, strong and protects; in plant cells |
ribosomes | where proteins and created (synthesis) |
tissue | a group of cells with the same function |
organs | groups of different tissues |
organ systems | many organs working together |
hormones | molecules used for long-distance communication |
receptors | proteins on the cell membrane that receive signals |
neurons | transmits electrical/chemical signals in the brain |
cell specialization | each cell has a specific job |