Edexcel International AS and A level Biology XBI11/YBI11 · 2.9
Nucleotides and nucleic acids
- Code
- 2.9
- In
- 2 Membranes, Proteins, DNA and Gene Expression
- Topic
- U1 Molecules, Diet, Transport and Health
- 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 under 2.9
Points in 2 Membranes, Proteins, DNA and Gene Expression
- 2.1 Gas exchange surfaces
- 2.2 Cell membranes
- 2.3 Core practical 3: membrane permeability
- 2.4 Osmosis and water potential
- 2.5 Transport across membranes
- 2.6 Amino acids and proteins
- 2.7 Enzymes
- 2.8 Core practical 4: factors affecting enzyme activity
- 2.9 Nucleotides and nucleic acids
- 2.10 DNA replication
- 2.11 Nature of the genetic code
- 2.12 Genes as base sequences coding for polypeptides
- 2.13 Protein synthesis
- 2.14 Mutations
- 2.15 Inheritance
- 2.16 Cystic fibrosis
- 2.17 Genetic screening
- 2.18 Ethical and social issues of genetic screening