Cell Organelle
tiny ORGAN LIKE structures inside a cell, such a the nucleus, mitochondria and chloroplast.
Cell Membrane
thin, FLEXIBLE covering surrounding a cell; it allows substances to move into and out of the cell.
Cytoplasm
a clear, thick, JELLY LIKE substance between the cell membrane and the nucleus; it contains many organelles.
Prokaryotes
simple cells without a TRUE nucleus
Nucleus
the CONTROL center of the cell that regulates all activities, including reproduction.
Cell Wall
the strong, stiff OUTSIDE covering of PLANT cells that provides PROTECTION & SUPPORT to the cell.
Eukaryotes
complex cells that have an ORGANIZED nucleus.
Cell Theory
states that: (1) ALL living things are made of cells (2) cells COME from other cells (3) cells are the BASIC unit of life.
Robert Hooke
the English Scientist who coined the term CELLS.
Unicellular
an organism composed of as SINGLE cell.
Multicellular
an organism composed of MANY cells.