The most widely accepted explanation for the transport of sugars in phloem is the ________ theory.

Name: The most widely accepted explanation for the transport of sugars in phloem is the ________ theory.
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The pressure-flow theory, also known as the mass flow theory, proposes that sugars are actively transported from source to sink by creating a pressure gradient. This theory is widely accepted as the mechanism for phloem transport.

The Most Widely Accepted Explanation for the Transport of Sugars