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HomeHomework HelpbiologyPhloem Transport of Sugars

Phloem Transport of Sugars

Translocation in phloem transport refers to the process by which organic nutrients, primarily sugars produced during photosynthesis, are actively transported through the phloem tissue from source tissues (such as leaves) to sink tissues (such as roots and fruits) where they are utilized or stored. This movement occurs via a pressure-driven flow mechanism, facilitated by osmotic gradients and the loading and unloading of sugars.

intermediate
2 hours
Biology
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Overview

Translocation is a vital process in plants that involves the movement of sugars and nutrients through the phloem. This process ensures that energy produced during photosynthesis is efficiently distributed to various parts of the plant, supporting growth and development. Understanding translocation h...

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Key Terms

Phloem
The vascular tissue in plants responsible for transporting sugars.

Example: Phloem transports glucose from leaves to roots.

Source
A part of the plant that produces or stores sugars.

Example: Leaves are a source during photosynthesis.

Sink
A part of the plant that consumes or stores sugars.

Example: Roots act as a sink by storing energy.

Translocation
The movement of nutrients through the phloem.

Example: Translocation ensures all plant parts receive energy.

Osmotic Pressure
The pressure required to prevent the flow of water across a semipermeable membrane.

Example: Osmotic pressure helps in loading sugars into phloem.

Photosynthesis
The process by which plants convert light energy into chemical energy.

Example: Photosynthesis produces glucose, a key sugar.

Related Topics

Xylem Transport
Study of how water and minerals are transported in plants through xylem.
intermediate
Photosynthesis
Understanding the process by which plants convert light energy into chemical energy.
beginner
Plant Nutrition
Exploration of how plants absorb and utilize nutrients from the soil.
intermediate

Key Concepts

Phloem structureSource and sinkPressure flow hypothesisTranslocation process