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In the sieve elements, which one of the following is the most likely function of P-proteins?
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The correct answer is:
Sealing off mechanism on wounding
In most angiospermic plants, sieve tube elements of phloem, are P-proteins. Later is found in all dictos
and in many monocots but it is absent in gymnosperms and cryptogams.
The main function of P -proteins is in sealing off damaged sieve elements by plugging up sieve plate pores.
and in many monocots but it is absent in gymnosperms and cryptogams.
The main function of P -proteins is in sealing off damaged sieve elements by plugging up sieve plate pores.
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