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Why is apoptosis important?
Apoptosis goes on in every living thing. It shapes the embryo of every animal and is behind the spectacular transformations of caterpillars into butterflies and tadpoles into frogs. Some plant cells also deliberately kill themselves, for example, to stop an invading fungal or bacterial infection spreading.Enlarge
Apoptosis is behind the spectacular transformation of a caterpillar into a butterfly.
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