Multiple choice

Napins are seed storage proteins, consist of two polypeptide chains. Which of the following plant species contains napin protein?

A. Berssica campestris B. Zea mays C. Degenia velebitica

  1. Only A

  2. Only B

  3. Only C

  4. Only B and C

  5. Only A and C
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Osborne (1924) classified seed storage proteins into groups on the basis of their extraction and solubility in water (albumins), dilute saline (globulins), alcohol-water mixtures (prolamins), and dilute acid or alkali (glutelins). In Crucifereae or Bressicaceae family, the seed storage proteins are called napins. The examples of cruciferae family are- Berssica campestris, Degenia velebitica, Arabis aculeolata, etc. Zea mays belongs to the family Poaceae and contains zein as seed storage proteins.

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