7-9 Phloem Structure (Cambridge AS A Level Biology, 9700)

As the video says, all about the structure of the phloem.

Companion cells & Phloem Sieve Tube Element

keywords:
Plasmodesma, Sieve Plates

• #education
• #cambridge_biology_alevels
• #cambridge_biology
• #cambridge_as_alevel_biology
• #cambridge_international_as_a_level_biology
• #9700
• #chapter_7
• #dicot
• #plants
• #xylem
• #phloem
• #lignin