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. The cristae lie in a ground substance called matrix. 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 semi autonomous (self replicating) organelles. Space between outer and inner membrane is called inter membranous space.
It is scattered in the cytoplasm in the form of particles, threads, roads and spheres.
Enzymes used for Kreb's cycle in mitochondria are located _________________. | |||
| Right Option : C | |||
| View Explanation |
Electron transport system is present in which of the following cell organelle? | |||
| Right Option : D | |||
| View Explanation | |||
X is a special organelle, which is spherical or rod shaped with a double membrane. te inner membrane is infolded many times, forming a series of projections called Y. Its energy is used by cell to perform all the basic functions within the body. What is X and Y ? | |||
| Right Option : C | |||
| View Explanation | |||
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