Punjab Board > 12th > Biology (Total Videos: 448)

Show Content

Select a chapter above and press 'Show Content'. Click a video topic below to view.

Chapter 20: Chromosomes And DNA (47 videos)  (Practice Test)
20.1: Types of Chromosomes  (Practice Test)
  1. Types of Chromosomes
20.2: Composition of Chromosome  (Practice Test)
  1. Composition of Chromosome
  2. Gametes, Organisms have Number of Chromosomes Specific to their Speci
  3. Number and Structure of Chromosome
20.3: The Chromosomal Theory of Inheritance  (Practice Test)
  1. The Chromosomal Theory of Inheritance
  2. A Vehicle of Inheritance,Gametes as a Carriers of Genes
  3. Gene and Genome, Chromosome, Chromatin
  4. Comparison of DNA and RNA
20.4: DNA as Hereditary Material  (Practice Test)
  1. DNA as Hereditary Material,vehicle
  2. More on DNA as Hereditary Material, vehicle
  3. Mononucleotide
  4. Nucleotide and Polynucleotide
  5. How Does the DNA of Chromosome work?
  6. Significance of Base Squence
  7. Watson-Crick Model of DNA
  8. Replication of DNA
  9. DNA Replication in Prokaryotes and Eukaryotes
  10. Types of Replication
  11. The Meselson-Stahl Experiment
  12. Mechanism of DNA Replication
  13. More on Mechanism of DNA Replication
  14. Transcription
  15. Advance Transcription
  16. Advance Transcription
  17. More on Transcription
  18. Post-Transcriptional Modification of mRNA
  19. Translation
  20. Advance Translation,Protein Synthesis
  21. More on Translation
  22. Difference between Translation in Prokaryotes and Eukaryotes
  23. Gentic Code
20.5: What is a Gene  (Practice Test)
  1. Concept of Gene
  2. Structure of a Gene
  3. What is a Gene
  4. Genes and Enzymes
  5. Experiment of Beadle and Tatum on Neurospora
  6. One-Gene/ One-Polypeptide
  7. Methods of Regulation of Gene Expression
  8. Regulation of Gene Expression
  9. Mechanism of Negative Control
  10. Mechanism of Positive Control
20.6: Cells Use RNA to Make Protein  (Practice Test)
  1. Types of RNA
20.7: Mutations  (Practice Test)
  1. Mutations
  2. Importance of Mutation
  3. Chromosomal Mutations
  4. Turner Sydrome
  5. Point Mutaion
 

Spread the word: