uestions
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1. Can you
the
organelles we have studied that
contain their own genetic
material?
2. If the organisation of a cell is
destroyed due to some physical
or chemical influence, what will
happen?
3. Why are lysosomes known as
suicide bags?
4. Where are proteins synthesised
inside the cell?
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5
Answers
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1
Answer:
1- MITOCHONDRIA AND PLASTIDS ARE THE TWO ORGNAELLES THAT CONTAIN THEIR OWN GENETIC MATERIAL. BOTH THESE ORGANELLES HAVE THEIR OWN DNA AND RIBOSOMES
2-THEN THE CELL WILL NOT NE ABLE TO PERFORM THE BASIC FUNCTIONS LIKE RESPIRATION,NUTRITION,EXCRETION ETC.THIS MAY STOP ALL THE LIFE ACTIVITIES AND MAY RESULT IN ITS DEATH
3-BECAUSE IT CONTAINS DIGESTIVE ENZYMES. LYSOSOMES ARE ORGANELLES CHRITIAN DE DUVE COINED THE TERM " SUICIDAL BAGS OF CELL" TO EXPLAIN LYSOSOMES. IF SOMETHING BURST THE LYSOSOMES RELEASE DIGESTIVE ENZYMES WITH DIGESTES ALL THE CELLS. THIS LEADS TO THE DEATH OF CELLS.
4-RIBOSOMES ARE THE SITES IN A CELL IN WHICH PROTEIN SYNTHESIS TAKES PLACE
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