Thursday, September 3, 2009

GOLGI COMPLEX

  • IT IS FOUND IN ALL EUKARYOTIC CELLS EXCEPT RBC
  • COMPOSED OF PROTEIN LIPIDS & POLYSACCHRIDE
  • ITS MAIN FUNCTION IS CELL SECREATION IT TRANSPORT CERTAIN MATERIAL LIKE PROTEIN & POLY SCCHRIDE
  • IT IS SIMILER IN BOTH PLANT AND ANIMAL CELL
  • IT INVOLVE FORMATION OF LYSOSYME
  • IN PLANT CELLS IT IS CALLED DICTYOSOMES

PLASTIDS

  • THESE GENERALLY PIGMENTS & MAY SYNTHESIZED AND ACCUMULATE VARIOUS SUBSTANCE
  • THEY ARE OF THREE TYPES –LEUCOPLAST ,CHROMOPLAST,CHLOROPLAST
  • HOW EVER SOME PLASTIDS ARE DEVOID OF PIGMENT AND THERE FUNCTION IS STORAGE OF MATERIAL THEY R CALLED LEUCOPLAST
  • LECUOPLAST ARE FOUND IN PART OF PLANT WHERE NO LIGH T IS AVAILABLE
  • CHLOROPALST ARE GREEN IN IN COLOUR AND MOST COMMAN
  • THEY HELP IN PHOTOSYNTHESIS
  • CHROMOPLAST ARE VARIOUS COLOURED FOUND IN PETAL ROOT AND FRUITS
  • RED COLOUR OF TOMATO IS DUE TO THEM

MITOCHONDRIA

  • THESE R THE SEAT FOR CELLULAR RESPIRATION AND PRODUCE ENERGY
  • THEY ARE REGARDDED AS POWER HOUSE OF CELL
  • ATP SYNTHESIS TAKES PLACE IN MITOCHONDRIA
  • IN LIVER CELL THERE ARE NEAR ABOUT 1400 MITTOCHONDRIA PER CELL
  • THESE ARE COMPOSED OF PROTEIN LIPIDS & A LITTLE AMOUNT OF RNA
  • 40 PERCENT OF ITS COMPOSITION IS ENZYME
  • NO OF MITOCHONDRIA IN PLANT IS LESSER THEN HUMAN AS ATP SYNTHESIS ALSO TAKE PLACE IN CHLOROPLAST
  • CRIESTE IS ITS PART
  • IT HAS F0-F1 COMPLEX
  • KREB CYCLE TRAKES PLACE IN IT

LYSOSYME

  • THEY ARE OF FOUR TYPE PRIMARY SECONDRY TATRTARY & RESIDUAL BODY
  • THERE FUNCTION IS TO DISSOLVE SME MATERIAL AND BREAK IT INTO PARTS
  • SO IT HELP IN INFECTION DIGESTION
  • PRIMARY LYSOSOME ARE THAT WHICH IS RECENTLY PRODUCED AND NOT YET USED EVEN
  • SECONDRY LYSOZYME IS THAT WHICH IS JUST STARTED USING
  • RESIDUAL BODIES ARE THAT WHO’S ALL THE ENZYME ARE USED AND IS NOW A WASTE

SPHEROSOMES THESE FUNCTION FOR STORAGE OF MATERIAL LIKE LIPID

NEUCLEUS

o MOSTLY IT IS LOCATED AT CENTER OF CELL

o BOUNDED BY DOUBLE MEMBRANE

o IT CONTAIN GENETIC MATERIAL SO CONTROL THE WHOLE BODY

o ITS COVERING NEUCLEAR MEMBRANE HAS PORES THROUGH WHICH IT COMMUNICATE WITH REST OF CELL

o IT HAS NEOCLEOLUS OR AND CHROMTIN

o IT MAY BE ONE OR MORE IN NUMBER

o IT HAS DNA OR RNA WHICH CAUSES ITS REPLICATION





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