A-Level 生物学比GCSE生物更难、要求更高。通常,A-Level生物学的难度至少是GCSE生物学的2到3倍。如果GCSE阶段学习了生物学课程,那么可以为A-level阶段的学习做好比较充分的准备。 整体而言,A-level生物学是一门促进性学科,会帮助学习者获...
Revision for AQA Biology AS and A Level Papers, including summary notes, worksheets and past exam questions for each topic.
A-Level 生物学比GCSE生物更难、要求更高。通常,A-Level生物学的难度至少是GCSE生物学的2到3倍。如果GCSE阶段学习了生物学课程,那么可以为A-level阶段的学习做好比较充分的准备。 整体而言,A-level生物学是一门促进性学科,会帮助学习者获得大学申请和就业优势。 大家要给予足够的重视,投入更多时间和精力学好这门...
This video explores what is meant by a stem cell before comparing embryonic stem cells to adult stem cells and evaluating both. It then describes therapeutic cloning and discusses how plant meristems are a source of stem cells. Key Words differentiate, meristem, multipotent, stem cell, totipotent...
1. Cell Biology -Cell Division -Cell Structure -Transport in Cells 2. Organisation -Animal tissues, organs and organ systems -Plant tissues, organs and systems -Principles of Organisation 3. Infection and Response -Bacterial disease -Communicable diseases ...