Edexcel International AS and A level Biology XBI11/YBI11 · 2.5

Transport across membranes

Code: 2.5
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

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 2.5

2.5.i Passive transport, active transport, endocytosis and exocytosis
2.5.ii Carrier and channel proteins

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