Term | Definition |
cytology | a branch dealing with the structure , function ,and life history of cells |
cell | basic unit of life |
organelle | structure that is specialized to perform a distinct process within a cell |
organism | any individual living things |
unicellular | consisting of a single cell |
multicellular | have many cells |
prokaryotic | a cell lacking a true membrane nucleus |
prokaryotes | any cellular organism that has no nuclear membrane |
eukaroytic | cell that has nucleus and other membrane bound orangelles |
eukaryotes | an organism having unit a cell type that contains oraganelles |
cell theory | theory that states that all organism are made of cells ,all cells are produced by other living cells and the cell is the most basic unit of cell |
virus | they are not made up of cells and can only reproduced in a live host |
tissues | group of cells that work together to perform a similar function |
organs | group of different types of tissues that work together to perform a specific function or related function |
diffusion /passive transport | it do not requires energy and it moving freely |
osmosis | diffusion of water molecules across a semipermeable membrane from an area higher water concentration area of lower water concentration |
active transport | energy requiring movement of molecules across a membrane from a region of lower concentration to a region of higher concentration |
semi-permeable | only contain small molecules |
phagocytosis | uptake of solid particle into a cell by engulfing the particle |
pinocytosis | the transport of fluid into a cell by means by the cell membrane |