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Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagram of both.
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Two double membrane bound cell organelles:
(a) Mitochondria : It has finger like folds in the inner membrane called cristae. Mitochondria is the place for aerobic respiration.
(b) Chloroplast : Chloroplast is responsible for converting light energy into chemical energy. Chloroplast contains stacked thylakoid in its matrix.
Functions of mitochondria: The double membrane mitochondria are actively associated with aerobic respiration and the release of energy for cellular activity. The biological oxidation of the fats and carbohydrate release much amount of energy which is utilised by mitochondria for ATP synthesis. Required energy is released from ATP molecules for various cell processes in cells so they are termed as "the powerhouse of the cell"
Functions of chloroplast :
(i) Their main function of chloroplast is to trap sun's energy and to convert it into chemical energy of food by photosynthesis.
(ii) Storage of starch.
(iii) Chloroplast in fruits and flowers change into chromoplasts.
(a) Mitochondria : It has finger like folds in the inner membrane called cristae. Mitochondria is the place for aerobic respiration.
(b) Chloroplast : Chloroplast is responsible for converting light energy into chemical energy. Chloroplast contains stacked thylakoid in its matrix.
Functions of mitochondria: The double membrane mitochondria are actively associated with aerobic respiration and the release of energy for cellular activity. The biological oxidation of the fats and carbohydrate release much amount of energy which is utilised by mitochondria for ATP synthesis. Required energy is released from ATP molecules for various cell processes in cells so they are termed as "the powerhouse of the cell"
Functions of chloroplast :
(i) Their main function of chloroplast is to trap sun's energy and to convert it into chemical energy of food by photosynthesis.
(ii) Storage of starch.
(iii) Chloroplast in fruits and flowers change into chromoplasts.
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