Which of the following is an anti-apoptotic protein that prevents the release of cytochrome c from mitochondria?
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Correct answer: Bcl-2
Bcl-2 is the prototypical anti-apoptotic protein that resides in the mitochondrial membranes. It acts by inhibiting the pro-apoptotic proteins Bax and Bak, thereby maintaining membrane integrity and preventing the leakage of cytochrome c.
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