What is a reasonable explanation for why the presence of cytosolic cytochrome c (Cyt c) is an initiating signal for cell death (apoptosis) in eukaryotic cells? High levels of Cyt c in the cytosol indicate that mitochondria are generating lots of heat, so death is best. Low levels of Cyt c in the mitochondrial matrix signal that mitochondria are creating too much reactive oxygen, so death is best. High levels of Cyt c in the cytosol signal that mitochondria are not functioning properly, so death is best. Low levels of Cyt c in the cytosol are expected, it is high levels in the matrix that are bad, so death is best
What is a reasonable explanation for why the presence of cytosolic cytochrome c (Cyt c) is an initiating signal for cell death (apoptosis) in eukaryotic cells? High levels of Cyt c in the cytosol indicate that mitochondria are generating lots of heat, so death is best. Low levels of Cyt c in the mitochondrial matrix signal that mitochondria are creating too much reactive oxygen, so death is best. High levels of Cyt c in the cytosol signal that mitochondria are not functioning properly, so death is best. Low levels of Cyt c in the cytosol are expected, it is high levels in the matrix that are bad, so death is best
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:What is a reasonable explanation for why the presence of cytosolic
cytochrome c (Cyt c) is an initiating signal for cell death (apoptosis) in
eukaryotic cells?
High levels of Cyt c in the cytosol indicate that mitochondria are
generating lots of heat, so death is best.
Low levels of Cyt c in the mitochondrial matrix signal that mitochondria
are creating too much reactive oxygen, so death is best.
High levels of Cyt c in the cytosol signal that mitochondria are not
functioning properly, so death is best.
Low levels of Cyt c in the cytosol are expected, it is high levels in the
matrix that are bad, so death is best
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