Navigate

Which one of the following is resistant to enzyme action?

Which one of the following is resistant to enzyme action?

Options

(a) Cork
(b) Wood fibre
(c) Pollen exine
(d) Leaf cuticle

Correct Answer:

Pollen exine

Explanation:

Pollen exine is resistant to enzyme action. The hard outer layer called the exine is made up of sporopollenin which is one of the most resistant organic material known. It can withstand high temperatures and strong acids and alkali. No enzymes that degrades sporopollenin is so far known.

AIPMT2008
admin:

Related Questions

  1. Last electron acceptor in respiration is
  2. The correct sequence of spermatogenetic stages leading to the formation of sperms
  3. The chitinous exoskeleton of arthropods is formed by the polymerisation of:
  4. Which one of the following occurs in radioactive fall out and behaves like calcium
  5. One gene-one enzyme relationship was established for the first time in