Question

Describe two theories that explain how food is translocated in the phloem

Answer 1

Answer:

The best-supported theory to explain the movement of food through the phloem is called the pressure-flow hypothesis. It proposes that water containing food molecules flows under pressure through the phloem. ... Turgor pressure builds up in the sieve elements (similar to the creation of root pressure).

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Answer 2

Answer:

The best-supported theory to explain the movement of food through the phloem is called the pressure-flow hypothesis. It proposes that water containing food molecules flows under pressure through the phloem. ... Turgor pressure builds up in the sieve elements (similar to the creation of root pressure).