Mitochondria
Mitochondria
Mitochondria are small, rod-shaped organelles found in large numbers. They were first discovered by Kolliker in 1880. It is a double layered cell organelle. Each mitochondrion is bounded by two membranes: outer and inner. The outer membrane is smooth and porous, while the inner membrane is folded into finger like projections called cristae. Mitochondria possess enzymes necessary for the oxidation of carbohydrates. This process releases energy in the form of ATP. This is why mitochondria are known as the powerhouse of the cell. Mitochondria have their own DNA and ribosomes. They can synthesize their own proteins and thus they are semiautonomous (self replicating) organelles. Space between outer and inner membrane is called intermembranous space.
Functions of Mitochondria :-
Energy currency of the cell is:________________. | |||
| Right Option : D | |||
| View Explanation | |||
In which organelles, chemical energy changes into utilisable energy? | |||
| Right Option : D | |||
| View Explanation |
What supports the presence of DNA in mitochondria and chloroplasts? | |||
| Right Option : C | |||
| View Explanation |
Students / Parents Reviews [20]
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
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Yatharthi Sharma
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8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
Aman Kumar Shrivastava
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