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Practice each question, then open the answer or worked solution.
Can you name the two organelles we have studied that contain their own genetic material?
The two organelles which have their own genetic material are
1. Mitochondria
2. Plastids
If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?
In the event of any damage to cells and when the revival of cells is not possible, Lysosomes burst, and enzymes digest such cells. This is why lysosomes are often referred to as ‘suicide bags’.
Why are lysosomes known as suicide bags?
When there is damage to the cell and when revival is not possible, lysosomes may burst, and the enzymes digest their own cell. Consequently, lysosomes are known as suicide bags.
Where are proteins synthesised inside the cell?
Protein synthesis in cells takes place in ribosomes. Hence, ribosomes are also referred to as protein factories. Ribosomes are particles that are found attached to the rough endoplasmic reticulum.