IB Biology 9.2 Study guides, Class notes & Summaries

IB Biology 9.2 Latest Update Graded A+ Translocation occurs from ___ to ___ Source to sink Phloem tissue - found in stems, roots and leaves - Composed of sieve tubes which are composed of specialized sieve tube cells - Sieve tube cells are separated by sieve plates (perforated walls) - Sieve tube cells are associated with companion cells Translocation Transport of organic solutes in a plant Sources areas of plant where sugars and amino acids are in surplus and are loaded int...