Translocation

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7 Terms

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Translocation

the phloem transports the products of photosynthesis from the source to the sink

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Source

the leaf

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Sinks

area/use of storage

4
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Companion cells

where most cell organelles are

very biochemically active

where metabolic processes occur

5
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Sieve tubes

filter and lose most cell organelles to make space for transport

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What is the mass flow hypothesis

suggests there is a passive mass flow of sugars from the phloem of the leaf where there is a highest concentration (the source) to other areas such as growing tissues where there is a lower concentration (the sink)

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