IB Biology Topic A1.2: Nucleic Acids Notes

A1.2.1 DNA as the genetic material of all living organisms

5 minute read

A1.2.2 Components of a nucleotide

4 minute read

A1.2.3 Sugar–phosphate bonding and the sugar–phosphate “backbone” of DNA and RNA

4 minute read

A1.2.4 Bases in each nucleic acid that form the basis of a code

2 minute read

A1.2.5 RNA as a polymer formed by condensation of nucleotide monomers

2 minute read

A1.2.6 DNA as a double helix linked by hydrogen bonding between complementary base pairs

4 minute read

A1.2.7 Differences between DNA and RNA

1 minute read

A1.2.8 Complementary base pairing in allowing genetic information to be replicated and expressed

4 minute read

A1.2.9 Diversity of possible DNA base sequences and its capacity for storing information

3 minute read

A1.2.10 Conservation of the genetic code as evidence of universal common ancestry

4 minute read

A1.2.11 Directionality of RNA and DNA (HL only)

2 minute read

A1.2.12 Purine-to-pyrimidine bonding as a component of DNA helix stability (HL only)

4 minute read

A1.2.13 Structure of a nucleosome (HL only)

3 minute read

A1.2.14 Evidence from the Hershey–Chase experiment for DNA as the genetic material (HL only)

5 minute read

A1.2.15 Chargaff’s data on pyrimidine and purine bases across diverse life forms (HL only)

3 minute read