Place the biochemical name and enzymatic activity corresponding to each complex within the respiratory chain. Complex 1 Complex II Complex III Complex IV Answer Bank cytochrome bo, complex facilitates electron transfer from ubiquinol to cytochromec facilitates electron transfer from cytochrome o to 0, facilitates electron transfer from spyinate to ubiquinone succinate dehydrogeonse complex facilitates electron transfer from NADH to ubiquinone cytochrome oxidase NADH dehydrogenase complex

Answers

Answer 1

The series of electron flow in the respiratory chain in the mitochondria membrane is-

NADH -------> Q --------> Cyt b ------> Cyt c1 --------> Cyt c -------> Cyt (a + a3) -------> O2

Complex I ; NADH dehydrogenase Complex Facilitated the electron transfer NADH to ubiquinone

Complex II; Succinate dehydrogenase Complex Facilitated the electron transfer succinate to ubiquinone

Complex III; Cytochrome bc1 complex or Ubiquinone: cytochrome c oxidoreductase Facilitated the electron transfer from ubiquinol to cytochrome c.

Complex VI; Cytochrome oxidase Facilitated the electron transfer from cytochrome c to O2​​​​​​.

In the electron transport chain, four protein complexes (designated complex I-IV) are involved in transporting electrons from NADH and FADH2 to molecular oxygen.

Complex I creates the hydrogen ion gradient by pumping four hydrogen ions from the matrix into the intermembranous region across the membrane.

Learn more about to respiratory visit here;

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