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Question

Write scientific reasons

1. Lysosomes are called suicide bags

2. Cell is called the structural and functional unit of life.

3. Mitichondria are called as the power house of the cell.

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Solution

(1) Lysosomes contain powerful digestive enzymes made by RER that can digest all organic matter. When a cell becomes damaged or turns old, the lysosomes burst and release their contents, and the cell gets digested. Hence, they are also called 'Suicidal Bags'.

(2) Every organism is made up of the same building blocks called the cells. They perform all functions necessary for an organism's survival. Hence, they are called the structural and functional unit of life.

(3) Mitochondria oxidize the carbohydrates and fats derived from food with the help of enzymes. Energy is released during this process. This energy is used by mitochondria for the production of ATP. These molecules provide the energy for the cell to carry out its various functions. Hence, mitochondria are called the powerhouse of the cell.


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