Question

State the function of companion cells in the phloem tissue.

Answer 1

Answer:

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Explanation:

Companion cells are parenchyma cells that function to load and unload material into the sieve tube member. Companion cells have a nucleus, while sieve tube members do not. This sieve tube member seen in longitudinal section shows the sieve area.

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Answer 2

Answer:

Companion cells move sugar and amino acids into and out of the sieve elements. ... Movement of sugars in the phloem begins at the source, where sugars are loaded (actively transported) into a seive tube.