The cell - basics
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Transcript of The cell - basics
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 ORGANISMSBACTERIA
BINARY FISSION DIVISIONREPRODUCE ASEXUALLY
SOME POSSESS FLAGELLA FOR MOVEMENT
EUKARYOTE
NUCLEUS AND MEMBRANE BOUND ORGANELLES PRESENT
MOSTLY MULTICELLULARDIVIDE 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