Question

Define companion cells...


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Answer 1

Answer:

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Explanation:

companion cell. companion cell. noun. A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.

What is companion cell?

companion cell A type of cell found within the phloem of flowering plants. Each companion cell is usually closely associated with a sieve element. Its function is uncertain, though it appears to regulate the activity of the adjacent sieve element and to take part in loading and unloading sugar into the sieve element.

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Answer 2

A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.