What is the primary driving force for the movement of nutrients in phloem?

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Question: What is the primary driving force for the movement of nutrients in phloem?

Options:

Correct Answer: Pressure flow mechanism

Solution:

The pressure flow mechanism explains how sugars are actively transported into the phloem, creating a pressure gradient that drives flow.

What is the primary driving force for the movement of nutrients in phloem?

What is the primary driving force for the movement of nutrients in phloem?

Step 1: Understand that phloem is a part of a plant that transports nutrients, especially sugars.
Step 2: Learn that sugars are made in the leaves of the plant through photosynthesis.
Step 3: Know that sugars are actively transported into the phloem, which means energy is used to move them in.
Step 4: Realize that when sugars enter the phloem, they create a higher concentration of sugar in that area.
Step 5: Understand that this higher concentration creates pressure in the phloem.
Step 6: Learn that the pressure pushes the sugary solution through the phloem to other parts of the plant.
Step 7: Conclude that the movement of nutrients in phloem is driven by this pressure flow mechanism.

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