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Hanson Cells Ch 2
Cells Chapter 2 Vocabulary List
Term | Definition |
---|---|
cell | basic unit of structure for living things |
cell membrane | thin, flexible envelope that surrounds a cell (outer part of an animal cell) |
cell theory | theory of 3 cell beliefs: all living things made from cells, cells come from other cells, and cell is basic unit |
cell wall | outermost boundary of a plant cell |
chloroplast | cell organelle containing chlorophyll for photosynthesis |
chromosome | rod-shaped cell structure that passes on traits of a cell to a new cell (passes on genetic information) |
cytoplasm | region between the cell membrane and the nucleus (goo that fills the cell) |
division of labor | division of work among different parts of the body (divides up the work of the body) |
endoplasmic reticulum | tubular passageways in a cell that transports substances (transport system in a cell) |
lysosome | small, round structure that digests wastes in a cell (cleans up a cell) |
mitochondrion | powerhouse of the cell (gives a cell its energy) |
nucleus | structure that directs all activities in a cell (brain of a cell) |
organ | group of tissues working together |
organ system | group of organs working together |
organelle | all of the tiny organs that make up a cell |
ribosome | protein making site in a cell |
tissue | group of cells working together |
vacuole | large, round sack that stores things (storage for a cell) |
Schleiden | all plants have cells |
Schwann | all animals have cells |
Hooke | created word "cell" |
Virchow | cells come from other cells |
van Leeuwenhoek | all living things have cells |