1.

In sieve elements, the possible function of p-proteins isA. autolytic enzymesB. prevent leakage of phloem exudateC. providing energy for active translocationD. deposition of callose on sieve plates

Answer» Correct Answer - B
When the sieve elements get disrupted, the P-proteins quickly aggregate at the sieve plate to from a clot which prevents the leakage of phloem exudates through wound.


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