B8.4 Translocation
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6 Terms
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What is translocation?
The movement of amino acids and sucrose through the phloem tissue
2
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Whats a source and sink?
Source:
Region of production in a plant
Sink:
Region of storage or region of use (in respiration or growth)
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What is the direction of movement of substances in translocation?
Source → Sink
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Example of a source
Parts of plants that release sucrose
Parts of plants that release amino acids
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Example of a sink
Parts of a plant that use or store sucrose
Parts of a plant that use or store amino acids
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Explain translocation in trees
Leaves are a source of sugar
Movement in phloem downwards from leaves to roots
Roots use and store sugar acting as a sink
Note 
Flashcards (39)