Molecular Biology for A Level & AS Biology – Conceptual & Exam-Oriented Online Course

By the end of this course, students will be able to:

• Understand the molecular organization of genes and genomes

• Explain DNA replication, repair, transcription, and translation mechanisms

• Compare molecular processes in prokaryotes and eukaryotes

• Interpret genetic codes and gene expression regulation

• Apply molecular biology concepts effectively in exams

Detailed Course Content

1. Gene and Genomic Organization

• Structure of genes

• Genome organization in prokaryotes vs eukaryotes

• Coding and non-coding DNA

• Functional elements of the genome

2. DNA Replication

• Semi-conservative replication model

• Enzymes involved in replication

• Leading and lagging strand synthesis

• Differences between prokaryotic and eukaryotic replication

3. DNA Repair Mechanisms

• DNA damage and mutation types

• Repair mechanisms in prokaryotes

• DNA repair pathways in eukaryotes

• Biological significance of DNA repair

4. Transcription

• Transcription process in prokaryotes

• Transcription process in eukaryotes

• RNA polymerase and transcription factors

• Post-transcriptional modifications

5. Translation in Prokaryotes

• Ribosome structure and function

• Initiation, elongation, and termination

• Role of tRNA and mRNA

• Protein synthesis overview

6. Genetic Code

• Features of the genetic code

• Codons and amino acids

• Start and stop codons

• Universality and degeneracy

7. Regulation of Gene Expression

• Gene regulation in prokaryotes (operon concept)

• Regulation in eukaryotes

• Importance of gene expression control

• Environmental and developmental regulation

Teaching Method (Online Mode)

• Live interactive online sessions

• Conceptual explanations with diagrams and flowcharts

• Comparative tables (prokaryotes vs eukaryotes)

• Exam-focused discussions and biological terminology

• Regular doubt-clearing and revision support

Who Should Enroll in This Course?

• A Level Biology students

• AS Biology students

• Learners struggling with molecular biology concepts

• Students aiming for strong conceptual clarity for exams

• Biology students preparing for advanced studies

Why Learn from Divya Karna?

Divya Karna emphasizes conceptual understanding over rote learning, helping students visualize and logically connect molecular processes. The teaching approach ensures students can explain mechanisms clearly, write structured answers, and score confidently in exams.

Learning Outcomes

After completing the course, students will:

• Confidently explain molecular biology processes

• Differentiate between prokaryotic and eukaryotic mechanisms

• Write clear, structured exam answers

• Apply molecular concepts to higher biology topics

• Build a strong foundation for advanced biological sciences