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=In text questions page number 59

=In text questions page number 61

=In text questions page number 63

=In text questions page number 65


In text questions page number 65

In text questions page number 65

1. Can you name the two organelles? we have studied that contain their own genetic material?
The cell organelles plastids and mitochondria have their own genetic material.

2. If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?
The damaged cell will not able to perform vital functions like respiration nutrition, removing wastes and making proteins.

3. Why are lysosomes known as suicide bags?
Lysosomes are called suicide bags because in case of disturbance of their cellular metabolism they digest their own cell by releasing own enzymes.

4. Where are proteins synthesised inside the cell?
Ribosomes are the site of protein synthesis inside a cell. They are either free or attached to Rough Endoplasmic Reticulum(RER).

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In text questions page number 65

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