Question

Which of the following outcomes will most likely result from a change in the shape of the mitochondrial inner membrane from a highly folded surface to a smooth, flat surface? Mitochondria will become more efficient because the inner mitochondrial membrane will become more permeable to ions. A Mitochondria will become more efficient because the total volume of the mitochondria will increase. B Mitochondria will become less efficient because the inner mitochondrial membrane will become less permeable to large molecules. C Mitochondria will become less efficient because the surface area of the inner mitochondrial membranes will decrease.

Answer 1

C

The inner membrane of the mitochondria is folded to increase surface area for the larger number of protein complexes involved in the Krebs cycle of cellular respiration.

Explanation:

One of the important transmembrane proteins of the inner membrane of the mitochondria is the ATP synthase. Protons are usually pumped to the intermembrane space of the mitochondria. This potential energy is harnessed by the ATP synthase (as the protons flow back to the matrix ) to create ATP. If the inner membrane did not have such as large surface area, they would be fewer ATP synthases and the mitochondria would be less efficient in tapping proton motive force to create ATPs.

A person with such mitochondria would easily get tired from physical activities because they are fewer ATPs to power the muscles and cells' activities especially when energy is highly demanded.

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Answer 2

Answer:

C- Mitochondria would become less efficient