Chemistry 1.4&5

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Biology 1.5
ATP
- Structure of ATP
- How ATP provides energy
- (b) the importance of chemical energy in biological processes (c) the central role of ATP as an energy carrier and its use in the liberation of energy for cellular activity (d) the structure of ATP
Functions of DNA
- DNA
  - DNA replication / synthesis
    - (h) the semi-conservative replication of DNA including the roles of DNA polymerase and helicase and be able to use evidence from the Meselson and Stahl experiments
  - Structure of DNA
    - (e) the structure of nucleic acids: DNA bases: purines-adenine and guanine, pyrimidines-cytosine and thymine; complementary base pair rule; hydrogen bonding and the double helix; antiparallel strands
- RNA synthesis: transcription
Structure
- RNA
  - Function
  - (f) the similarities and differences in the structure of RNA and DNA
Triplet code
- Genes etc
  - Intron / exon
  - (i) the term genetic code (j) the triplet code for amino acids
  - Post protein synthesis
Bases