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In condensed state of mitochondria
A. ATP synthesis is reduced
B. Oxidative phosphorylation and ETS occurs at faster rate
C. Intermembrane space becomes smaller
D. Core or matrix is enlarged

Last updated date: 21st Jun 2024
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Hint: Oxidative phosphorylation is known to be as the method during which adenosine triphosphate is obtained as a result of the flow of electrons from NADH or from $FADH_2$ to $O_2$ by the electron carriers. This method that takes place in mitochondria, is known as the major supply of (ATP) adenosine triphosphate in aerobic organisms.

Complete Answer:
- Isolated mitochondria are usually known to be occurring in one amongst 2 morphologic states, characterised by a tight, terribly dense matrix partition and wide cristae; having long-drawn-out, less-dense matrix and a lot compact cristae compartments.
- One of the 2 morphological styles of an organelle is condensed kind that is discovered in mitochondria with high respiratory rates (ATP construction is more with redoubled rates of Krebs cycle, ETS, as well as oxidative phosphorylation.
- During this kind of confirmation, the matrix volume within the inner membrane isn't very big, inflicting the inner membrane to move apart from the outer membrane inflicting the intermembrane part to swell, except at the place where the 2 are connected.

So hence considering all mentioned information regarding the mitochondrion, the right answer is B.

Additional information: Oxidative phosphorylation is connected to a process called electron transport or the ETS. The ETS, set within the inner mitochondrial membrane, transfers electrons given by the reduced electron carriers NADH and $FADH_2$ via a series of electrons acceptors, to oxygen. As we see, movement of electrons through complexes of the electron transport system basically “charges” the battery that's accustomed to create adenosine triphosphate in the organic process. During this approach, the oxidation of sugars and fatty acids is coupled to the synthesis of adenosine triphosphate, successfully extracting energy from food.

Note: In a eukaryotic cell, the overwhelming majority of adenosine triphosphate synthesis happens within the mitochondria during a method known as oxidative phosphorylation. Also plants that generate adenosine triphosphate by photophosphorylation inside chloroplasts, have mitochondria for the synthesis of adenosine triphosphate through oxidative phosphorylation.