Videos for A1.2 Nucleic acids - IB
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.
2 min
Biology A1.2.1
A1.2.1 DNA as the genetic material of all living organisms
2 min
Biology A1.2.2
A1.2.2 Components of a nucleotide
2 min
Biology A1.2.3
A1.2.3 Sugar–phosphate bonding and the sugar–phosphate “backbone” of DNA and RNA
2 min
Biology A1.2.4
A1.2.4 Bases in each nucleic acid that form the basis of a code
3 min
Biology A1.2.5
A1.2.5 RNA as a polymer formed by condensation of nucleotide monomers
4 min
Biology A1.2.6
A1.2.6 DNA as a double helix linked by hydrogen bonding between complementary base pairs
4 min
Biology A1.2.7
A1.2.7 Differences between DNA and RNA
4 min
Biology A1.2.8
A1.2.8 Complementary base pairing in allowing genetic information to be replicated and expressed
5 min
Biology A1.2.9
A1.2.9 Diversity of possible DNA base sequences and its capacity for storing information
3 min
Biology A1.2.10
A1.2.10 Conservation of the genetic code as evidence of universal common ancestry
6 min
Biology A1.2.11
A1.2.11 Directionality of RNA and DNA (HL only)
3 min
Biology A1.2.12
A1.2.12 Purine-to-pyrimidine bonding as a component of DNA helix stability (HL only)
4 min
Biology A1.2.13
A1.2.13—Structure of a nucleosome (HL only)
7 min
Biology A1.2.14
A1.2.14 Evidence from the Hershey–Chase experiment for DNA as the genetic material (HL only)