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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Cytosolic Cytochrome C mediates
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The correct answer is  A i.e. Apoptosis Cytochrome C has two very opposite roles. Within the mitochondrial membrane it serves as electron carrier in oxidative phosphorylation. But when it leaks out into cytosol it combines with Apaf I and activates caspase-9 to mediate apoptosisQ. This dual functioning is known as moonlighting.