Edexcel International AS and A level Biology XBI11/YBI11 · 3.19
One gene, more than one protein
- Code
- 3.19
- In
- 3 Cell Structure, Reproduction and Development
- Topic
- U2 Cells, Development, Biodiversity and Conservation
- Course
- International AS and A level Biology XBI11/YBI11
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in 3 Cell Structure, Reproduction and Development
- 3.1 Cells as the basis of all living organisms
- 3.2 Levels of organisation in multicellular organisms
- 3.3 Eukaryotic cells
- 3.4 Protein transport: rough ER and Golgi apparatus
- 3.5 Prokaryotic cells
- 3.6 Recognising organelles in electron micrographs
- 3.7 Microscopy
- 3.8 Core practical 5: microscopy of animal cells
- 3.9 Loci and linkage
- 3.10 Meiosis and genetic variation
- 3.11 Specialised mammalian gametes
- 3.12 Fertilisation in mammals
- 3.13 Fertilisation in flowering plants
- 3.14 Mitosis and the cell cycle
- 3.15 Core practical 6: root tip squash and mitosis
- 3.16 Mitotic index
- 3.17 Stem cells
- 3.18 Cell specialisation through differential gene expression
- 3.19 One gene, more than one protein
- 3.20 Phenotype, genotype and epigenetics
- 3.21 Multiple alleles, polygenic inheritance and continuous variation