PYTR Class is a branch of PYTR brand that focuses on training and education. The materials used in all IB workshops are adopted from the IBO and personalised into each need of local workshops by PYTR. In the education, PYTR shares lectures, tips, notes and some quizzes for IB diploma Biology, Chemistry and ESS students and teachers worldwide.
![C1.3.4 [AHL] Further about Photosynthesis – Part 2](https://mypytrclass.com/wp-content/uploads/2026/09/screenshot-2026-09-07-at-23.19.28.png?w=1024)
![C1.3.3 [AHL] Further about Photosynthesis – Part 1](https://mypytrclass.com/wp-content/uploads/2026/09/screenshot-2026-09-05-at-11.49.36.png?w=1024)
