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Assertion: The companion cells help in maintaining the pressue gradient in sieve tube Reasons: The companion cells are specialished parenchymatous cel

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Assertion: The companion cells help in maintaining the pressue gradient in sieve tube
Reasons: The companion cells are specialished parenchymatous cells which are closely associated with sieve tube elements
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The companion cells help in maintaining the pressure gradient in sieve tube.
The compannion cells are speicialised parenchymatous cells, which are closely associateed with sieve tube elements
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