The cell - basics

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Basics of the cell

Transcript of The cell - basics

Page 1: The cell - basics

THE CELL

Page 2: The cell - basics

STRUCTURAL AND FUNCTIONAL UNIT OF LIVING ORGANISMS

CAN BE UNICELLULAR OR MULTICELLULAR

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CELL THEORY

CELL IS THE BASIC UNIT OF LIVING ORGANISMS

ALL ORGANISMS ARE CREATED FROM CELLS

CELLS ARE MADE FROM CELLS

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PROKARYOTE

NO NUCLEUS OR NUCLEAR ENVELOPE PRESENT

SINGLE CELLED ORGANISMSBACTERIA

BINARY FISSION DIVISIONREPRODUCE ASEXUALLY

SOME POSSESS FLAGELLA FOR MOVEMENT

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EUKARYOTE

NUCLEUS AND MEMBRANE BOUND ORGANELLES PRESENT

MOSTLY MULTICELLULARDIVIDE BY MITOSIS

SEXUALLY REPRODUCE BY MEIOSIS

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CELLS CAN MOVE AND CHANGE SHAPE BY THEIR CYTOSKELETON

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CELLS CAN PRODUCE THEIR OWN ENVIRONMENT – EXTRACELLULAR MATRIX

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CELLS CAN COMMUNICATE BY SENDING AND RECEIVING INFORMATION

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CELLS CAN GROW, DIVIDE AND DIE