B3.2.18 Adaptations of phloem sieve tubes and companion cells for translocation of sap (HL)

Master B3.2.18 Adaptations of phloem sieve tubes and companion cells for translocation of sap with International Baccalaureate (IB) Biology exam-style questions, flashcards, lessons, and notes. All resources are aligned with the International Baccalaureate (IB) syllabus and designed for both SL and HL students.