BRAINCAKEEvidence for Translocation in Phloem
A summary of the evidence for translocation in phlem is listed below:
1. When phloem is cut a solution of organic molecules flow out.
2. Plants provided with radioactively labelled carbon dioxide can be show to have radioactive carbon in the phloem after a short time.
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Key terms in this lesson
- translocation
- The movement of organic substances, such as sucrose and amino acids, through the phloem from a source to a sink.
More in Mass Transport in Plants
- Mass Flow through Sieve Tube Elements
- Mass Flow Model
- Phloem Unloading
- Ringing Experiments
- Tracer Experiments
- Xerophytes
- Limiting Water Loss in Plants
- Hydrophytes
All 18 lessons in Mass Transport in Plants · All OCR AS-level Biology topics