THE CELL
STRUCTURAL AND FUNCTIONAL UNIT
OF LIVING ORGANISMS
CAN BE UNICELLULAR OR
MULTICELLULAR
CELL THEORY
CELL IS THE BASIC UNIT OF LIVING
ORGANISMS
ALL ORGANISMS ARE CREATED FROM CELLS
CELLS ARE MADE FROM CELLS
PROKARYOTE
NO NUCLEUS OR NUCLEAR ENVELOPE
PRESENT
SINGLE CELLED ORGANISMS
BACTERIA
BINARY FISSION DIVISION
REPRODUCE ASEXUALLY
SOME POSSESS FLAGELLA FOR MOVEMENT
EUKARYOTE
NUCLEUS AND MEMBRANE BOUND
ORGANELLES PRESENT
MOSTLY MULTICELLULAR
DIVIDE BY MITOSIS
SEXUALLY REPRODUCE BY MEIOSIS
CELLS CAN MOVE AND CHANGE SHAPE BY
THEIR CYTOSKELETON
CELLS CAN PRODUCE THEIR OWN
ENVIRONMENT – EXTRACELLULAR MATRIX
CELLS CAN COMMUNICATE BY SENDING
AND RECEIVING INFORMATION
CELLS CAN GROW, DIVIDE AND DIE

The cell - basics