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Question
In the sieve elements, which one of the following is the most likely function of proteins?
In the sieve elements, which one of the following is the most likely function of proteins?
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Solution
The correct option is A Deposition of callose on sieve plates
The sieve elements along
with companion cells, phloem parenchyma cells and phloem fibers and other
cells make up the phloem. The sieve elements are the functional units for long
distance translocation. These elongated cells are connecting to each
other through sieve plates, thus creating a tube system within the plant. The
proteins present in the sieve elements perform the damage control function
during any injury to the sieve elements by aggregating, forming a clot and
depositing callose - a carbohydrate on the sieve plate so as to prevent any
leakage. So, the correct answer is option A.
The sieve elements along with companion cells, phloem parenchyma cells and phloem fibers and other cells make up the phloem. The sieve elements are the functional units for long distance translocation. These elongated cells are connecting to each other through sieve plates, thus creating a tube system within the plant. The proteins present in the sieve elements perform the damage control function during any injury to the sieve elements by aggregating, forming a clot and depositing callose - a carbohydrate on the sieve plate so as to prevent any leakage. So, the correct answer is option A.
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