What is the name of the process which sends the sucrose-water mixture from the phloem to the roots?

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BlackTom AI · Accepted Answer

The question asks for the name of the process that moves the sucrose-water mixture from the phloem to the roots.
Option a: Transpiration. This is the loss of water vapor from leaves, not the transport of nutrients to roots, so it does not describe moving sugar solutions through the plant.
Option b: Condensation. Condensation is a phase change from gas to liquid and is unrelated to nutrient transport within plants.
Option c: Evaporation. Evaporation refers to liquid turning into vapor, typically in surface processes, and does not account for the downward movement of sugars in the phloem.
Option d: Translocation. This term accurately describes the bulk flow mechanism by which dissolved sugars (like sucrose) are transported through the phloem from sources (e.g., leaves) to sinks (e.g., roots, fruits). It encompasses the movement of solutes within the plant’s vascular system via pressure-flow mechanisms.
In summary, only translocation correctly names the process of moving the sucrose-water mixture from the phloem to the roots, while the other options refer to different phenomena not describing this nutrient transport.

BIO 181 (001&002) FALL 2025 4G. Self-Check - Plant Transport (LO 4G.1, 4G.2, 4G.3, 4G.4)

What is the name of the process which sends the sucrose-water mixture from the phloem to the roots?

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