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Cell Structures
Biology I-8
Term | Definition |
---|---|
organelle | structures in cytoplasm of eukaryote cells |
cell membrane | barrier around ALL cells that regulates what goes in and out |
ribosome | protein building structures |
cytoplasm | fluid matrix inside all cells |
nucleus (cell) | contains DNA in eukaryote cells |
prokaryote | cell without nucleus or organelles; bacteria |
eukaryote | cell with nucleus and organelles; not bacteria |
mitochondria | site of cell respiration to make ATP ( energy) from macromolecules |
vesicle | sac of chemicals like enzymes, hormones, proteins, etc in a cell |
central vacuole | large organelle that stores fluids in plant cells |
chloroplast | site of photosynthesis to make carbohydrates using water, carbon dioxide and energy from light |
cell wall | rigid boundary outside the cell membrane of plant and fungi cells and some unicellular organisms |
gene expression | the activity levels of the genes turned on in a cell or organism |