Question

Which of the following is not an electron carrier class in the electron transport chain?
A.Flavoproteins
B. Cytochromes
C. Iron - sulfur proteins
D. Cytochrome c oxidase

Answer 1

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B) Cytochromes.


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Answer 2

Answer:

Option-d

Cytochrome c oxidase

Explanation:

The nervous system significantly relies on aerobic metabolism for its energy supply and cytochrome oxidase is a crucial component of mitochondrial aerobic energy metabolism, cytochrome oxidase (CO) is a helpful endogenous metabolic marker for neurons (Wong-Riley 1989). CO-activity is strongest in the outer two thirds of the molecular layer and relatively low in the inner one third of the layer in the monkey dentate gyrus (Kageyama and Wong-Riley 1982; Hevner and Wong-Riley 1991; Chandrasekaran et al. 1992). The molecular layer's CO-activity is primarily found in dendrites, most likely in granule cell dendrites. Given that proximal dendrites and granule cell bodies exhibit little to no CO-activity, this is fairly unexpected.

FINAL ANSWER - Option-d

Cytochrome c oxidase

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