• The Chemistry of Life
This topic introduces the elements found in living things and examines how these are combined to produce the complex variety of living things that surround us. Water is identified as a key biological molecule and its unusual properties are examined with reference to their biological significance. Each of the key groups f biological molecules; carbohydrates, lipids, proteins and nucleic acids, are then studies in more detail. Respiration and photosynthesis, two key biochemical processes, are then examined.

3.1 Chemical elements and water

3.2 Carbohydrates, Lipids and Proteins (7.5)

3.2 carbohydrates-lipids-and-proteins-1227860636025147-8.ppt



3.3 & 7.1 DNA structure

3.4 & 7.2 DNA Replication
First the DNA or Protein debate:external image ChaseHershey_1953.jpg


Method of replication:

Fun DNA replication song:

3.5, 7.3 & 7.4 Transcription and translation

Animations and videos:

  • Central dogma lecture (ignore 1st minute

3.6 & 7.6 Enzymes

3.7 Cell respiration
Cellular Respiration SL PP
3.8 Photosynthesis