Unit 1 Biology Crash Course AS Edexcel Current Status Not Enrolled Price Closed Get Started Take this Course Course Content Expand All Introduction to the AS Sample Lesson Course Material Topic 1 Transport across the body CVDs Biological Molecules Topic 1 Mock Exam Topic 1 Mock Exam Correction Topic 2 Gas Exchange Cell Membrane & Transport Enzymes 2 Topics Expand Lesson Content 0% Complete 0/2 Steps Enzymes Enzymes Solving DNA Replication & protein synthesis 3 Topics Expand Lesson Content 0% Complete 0/3 Steps DNA Structure & Replication Protein Synthesis (1) Protein Synthesis (2) Inheritance 2 Topics Expand Lesson Content 0% Complete 0/2 Steps Inheritance (1) Inheritance (2) Topic 2 Mock Exam Topic 2 Mock Exam Solving Pastpapers Jan 2021 U1 June 2021 U1 October 2021 U1 Jan 2022 U1 June 2022 U1 October 2022 U1 Jan 2023 U1 June 2023 U1 October 2023 U1 Jan 2024 U1 June 2024 U1 October 2024 U1 Jan 2025 U1 June 2025 U1 October 2025 U1