Question

Componion Cell are important in phloem tissue because
a) it gives mechanical support to sieve tubes
b) it controls the flow of food through sieve tubes
c) it holds the position of sieve cells in place.
d) it conducts the food through it​

Answer 1

Answer:

b) it controls the flow of food through sieve tubes

Explanation:

Answer 2

Explanation:

Reason: 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. Loading sets up a water potential gradient that facilitates movement of sugar.

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