A Level Biology OCR Plant transport -Translocation Booklet lesson

This resource covers the OCR syllabus on PLant transport- Translocation. Firstly it defines what translocation is and then further explains the key terms of source and sink regarding the translocation of sugars.
The booklet then further explains the key cells the make up the Phloem tissue, their components and functions.
It then goes on to explain the content of the sieve tubes and the reason why Sucrose is transported not glucose.
The resource then explains how translocation occurs using the mass flow hypothesis. It shows the key mechanism how Sucrose is loaded into the phloem using a co-transporter.
The booklet then shows with clearly labelled diagrams how sucrose is moved along the phloem. The finishing page focuses on the difficult 2021 Translocation question on how glucose produced in photosynthesis is translocated to parts of the plant where glucose is metabolised and stored.