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03/09/2020 12:42 pm
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Which of the following is enucleate at maturity?
(a) Companion cell
(b) Meristematic cell
(c) Parenchyma
(d) Sieve tube cell
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03/09/2020 12:43 pm
(d) Sieve tube cell
Explanation:
Sieve tube cell is enucleate at maturity due to the degeneration of its nucleus during its developmental process. The companion cell-that develops from the same initial as the sieve tube cell, possesses the nucleus throughout its life. The companion cell carries out the function of the sieve tube cell in the event of its degeneration.