Question

A recent study has found a new triggering mechanism for programmed cell death. …………………………………………………. . The study has found that a particular type of imperfection in the alignment of the cells appears to be correlated with the position of the cell destined to die. The results of the collaborative study was published in Nature.

Q: Answer-A recent study has found a new triggering mechanism for programmed cell death. &hellip;&hellip;&hell...

The passage talks about a recent study that has found a new triggering mechanism for programmed cell death. Option c goes on the explain the difference between the earlier know trigger mechanism and the new mechanism. Other options do not fit the context.

A Cells in the epithelial layer usually are arranged neatly and regularly.

B Among the different types of defect, there is one where the tilt of the axes varies gradually.

C Unlike earlier known trigger mechanisms that involve chemicals being released by the cell destined for death, this is a physical mechanism.

D The cell destined to die lies close to the head of the comet-shaped defect and is eventually pushed out of the layer of cells and apoptosis takes place.

E None of these

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