Which one of the following is resistant to en | vedclass

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(A) The correct answer is $A$. Sporopollenin is a major component of the tough outer layer (exine) of pollen grains. It is one of the most chemically

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Pollen exine

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(A) The correct answer is $A$. Sporopollenin is a major component of the tough outer layer (exine) of pollen grains. It is one of the most chemically stable organic materials known. It can withstand high temperatures,strong acids,and strong alkalis. Crucially,no enzyme is known that can degrade sporopollenin,which allows pollen grains to be well-preserved as fossils.

Which one of the following is resistant to enzyme action?

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