These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on A1.2 Nucleic acids and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
Biology A1.2.1
A1.2.1 DNA as the genetic material of all living organisms
Biology A1.2.2
A1.2.2 Components of a nucleotide
Biology A1.2.3
A1.2.3 Sugar–phosphate bonding and the sugar–phosphate “backbone” of DNA and RNA
Biology A1.2.4
A1.2.4 Bases in each nucleic acid that form the basis of a code
Biology A1.2.5
A1.2.5 RNA as a polymer formed by condensation of nucleotide monomers
Biology A1.2.6
A1.2.6 DNA as a double helix linked by hydrogen bonding between complementary base pairs
Biology A1.2.7
A1.2.7 Differences between DNA and RNA
Biology A1.2.8
A1.2.8 Complementary base pairing in allowing genetic information to be replicated and expressed
Biology A1.2.9
A1.2.9 Diversity of possible DNA base sequences and its capacity for storing information
Biology A1.2.10
A1.2.10 Conservation of the genetic code as evidence of universal common ancestry
Biology A1.2.11
A1.2.11 Directionality of RNA and DNA (HL only)
Biology A1.2.12
A1.2.12 Purine-to-pyrimidine bonding as a component of DNA helix stability (HL only)
Biology A1.2.13
A1.2.13 Structure of a nucleosome (HL only)
Biology A1.2.14
A1.2.14 Evidence from the Hershey–Chase experiment for DNA as the genetic material (HL only)