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Which of the following occurs during apoptosis?
(A) lysis of the cell
(B) direct contact between signaling cells
(C) fragmentation of the DNA
(D) release of proteases outside the cell


Sagot :

The correct option is D :  Fragmentation of the DNA ; The splitting or breaking of DNA strands into bits is known as DNA fragmentation. It can be done purposely by laboratory people or cells, or it might happen accidentally.

Spontaneous or inadvertent DNA fragmentation is the accumulation of fragments in a cell over time.

Blebbing, cell shrinkage, nuclear fragmentation, and DNA fragmentation are all signs of apoptosis.

Apoptotic cells, in contrast to necrosis, create apoptotic bodies that are phagocytized by surrounding cells without the loss of cellular contents.

Caspases, proteolytic enzymes that cause cell death by cleaving particular proteins in the cytoplasm and nucleus, induce apoptosis.

Caspases exist as inactive precursors, or procaspases, in all cells, and are normally triggered by cleavage by other caspases, resulting in a proteolytic caspase cascade.

Learn more about to DNA fragmentation visit here;

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