# Introduction to complex biological systems

- Institution: IIT Kharagpur
- Department: Biotechnology
- Teacher: Prof. Soumya De Prof. Dibyendu Samanta
- Level: Undergraduate
- Language: English
- Subjects: Biology
- Source: [NPTEL](https://nptel.ac.in/courses/102105554)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/102105554)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture 1: Fundamentals of a Living System](https://invisiblenetwork.ai/learn/nptel/102105554/76b814b99f88) (Video)
2. [Lecture 2: Discovery of Genetic Material](https://invisiblenetwork.ai/learn/nptel/102105554/d7c37c6dff6c) (Video)
3. [Lecture 3: Chemical and Physical Properties of Nucleic Acids](https://invisiblenetwork.ai/learn/nptel/102105554/574f6e38f613) (Video)
4. [Lecture 4: Introduction to DNA Replication](https://invisiblenetwork.ai/learn/nptel/102105554/cd27cf629926) (Video)
5. [Lecture 5: Mechanistic Overview of DNA Replication](https://invisiblenetwork.ai/learn/nptel/102105554/38a0fed5a59c) (Video)
6. [Lecture 6: Gene expression and The Central Dogma of Molecular Biology](https://invisiblenetwork.ai/learn/nptel/102105554/60e76d79d24b) (Video)
7. [Lecture 7: Transcription: Involved Machineries and Processes](https://invisiblenetwork.ai/learn/nptel/102105554/e5fc3e3663f6) (Video)
8. [Lecture 8: Translation: Decoding the message of an mRNA](https://invisiblenetwork.ai/learn/nptel/102105554/7a72470d85db) (Video)
9. [Lecture 9: Time-space correlation and fidelity of transcription and translation](https://invisiblenetwork.ai/learn/nptel/102105554/652cdd8bbe45) (Video)
10. [Lecture 10: Regulation of gene expression](https://invisiblenetwork.ai/learn/nptel/102105554/86cdc038d28a) (Video)
11. [Lecture 11: Amino acids, hierarchy of protein structure](https://invisiblenetwork.ai/learn/nptel/102105554/dbd9a1e7f1c3) (Video)
12. [Lecture 12: Protein folding, Folding funnel, Anfinsen’s experiment](https://invisiblenetwork.ai/learn/nptel/102105554/aeeca0cfb0da) (Video)
13. [Lecture 13: Protein-ligand interactions](https://invisiblenetwork.ai/learn/nptel/102105554/f8c0e02e1d57) (Video)
14. [Lecture 14: Allosteric regulation of proteins, e.g. haemoglobin](https://invisiblenetwork.ai/learn/nptel/102105554/7b3a0beb2aca) (Video)
15. [Lecture 15: Membrane proteins](https://invisiblenetwork.ai/learn/nptel/102105554/f0843d81f3e8) (Video)
16. [Lecture 16: Introduction to enzymes](https://invisiblenetwork.ai/learn/nptel/102105554/ebd1c9600724) (Video)
17. [Lecture 17: Theory of enzyme catalysis](https://invisiblenetwork.ai/learn/nptel/102105554/8d6e7649a8e9) (Video)
18. [Lecture 18: Specificity of enzymes, e.g. Chymotrypsin](https://invisiblenetwork.ai/learn/nptel/102105554/343b81df7fa0) (Video)
19. [Lecture 19: Enzyme inhibition. Types and mechanism of inhibitors. Design of inhibitors.](https://invisiblenetwork.ai/learn/nptel/102105554/40709cb73575) (Video)
20. [Lecture 20: Engineered enzymes and their applications](https://invisiblenetwork.ai/learn/nptel/102105554/9a8561d23c95) (Video)
21. [Lecture 21: Introduction to cells](https://invisiblenetwork.ai/learn/nptel/102105554/d0488335be5e) (Video)
22. [Lecture 22: Visualizing cells](https://invisiblenetwork.ai/learn/nptel/102105554/56b291bbd09d) (Video)
23. [Lecture 23: Cell division cycle](https://invisiblenetwork.ai/learn/nptel/102105554/4d5ff6959d12) (Video)
24. [Lecture 24: Stem Cells](https://invisiblenetwork.ai/learn/nptel/102105554/3135b92cc606) (Video)
25. [Lecture 25: Cancer](https://invisiblenetwork.ai/learn/nptel/102105554/a303d7214a48) (Video)
26. [Lecture 26: Overview of the development of multicellular organization](https://invisiblenetwork.ai/learn/nptel/102105554/eba667c3d3ed) (Video)
27. [Lecture 27: Pattern formation and growth](https://invisiblenetwork.ai/learn/nptel/102105554/3787403c510d) (Video)
28. [Lecture 28: Cell division, cell death and tissue homeostasis](https://invisiblenetwork.ai/learn/nptel/102105554/76ff7c18bf7e) (Video)
29. [Lecture 29: Cell Junctions and extracellular matrix](https://invisiblenetwork.ai/learn/nptel/102105554/1dd830f21e2c) (Video)
30. [Lecture 30: Introduction to Neuron and the action potential](https://invisiblenetwork.ai/learn/nptel/102105554/2231c4586524) (Video)
31. [Lecture 31: Vitamins and introduction to bioenergetics](https://invisiblenetwork.ai/learn/nptel/102105554/1b69066d1d4a) (Video)
32. [Lecture 32: Glycolysis, Gluconeogenesis and PPP](https://invisiblenetwork.ai/learn/nptel/102105554/181122ec83c5) (Video)
33. [Lecture 33: Citric Acid Cycle and Oxidative Phosphorylation](https://invisiblenetwork.ai/learn/nptel/102105554/9a4516ccd3be) (Video)
34. [Lecture 34: Photosynthesis](https://invisiblenetwork.ai/learn/nptel/102105554/0a9cda2fc411) (Video)
35. [Lecture 35: Photosynthetic carbohydrate synthesis](https://invisiblenetwork.ai/learn/nptel/102105554/27dd9e2ec412) (Video)
36. [Lecture 36: Evolution of life on earth](https://invisiblenetwork.ai/learn/nptel/102105554/bf95631feeda) (Video)
37. [Lecture 37: Protein evolution](https://invisiblenetwork.ai/learn/nptel/102105554/3b67271e682c) (Video)
38. [Lecture 38: Mechanisms of evolution](https://invisiblenetwork.ai/learn/nptel/102105554/f7f2f2a3ae71) (Video)
39. [Lecture 39: Evolution of eye](https://invisiblenetwork.ai/learn/nptel/102105554/17d59ded3594) (Video)
40. [Lecture 40: Model orgamisms](https://invisiblenetwork.ai/learn/nptel/102105554/e5565f9e344c) (Video)
41. [Lecture 41: Introduction to microbial world and infectious diseases](https://invisiblenetwork.ai/learn/nptel/102105554/f559b75bdab4) (Video)
42. [Lecture 42: Cell organization and unique features of bacteria](https://invisiblenetwork.ai/learn/nptel/102105554/15e3c3f902de) (Video)
43. [Lecture 43: Understanding viruses - the smallest enemy](https://invisiblenetwork.ai/learn/nptel/102105554/de0825575f29) (Video)
44. [Lecture 44: Pathogenicity and infection](https://invisiblenetwork.ai/learn/nptel/102105554/846fc935b96c) (Video)
45. [Lecture 45: Antibacterial and Antiviral Drugs](https://invisiblenetwork.ai/learn/nptel/102105554/a58efb291e84) (Video)
46. [Lecture 46: Introduction to the immune system](https://invisiblenetwork.ai/learn/nptel/102105554/b0a6ca570593) (Video)
47. [Lecture 47: Innate immunity: the first lines of defense](https://invisiblenetwork.ai/learn/nptel/102105554/af9934e8ad5f) (Video)
48. [Lecture 48: Adaptive immune response](https://invisiblenetwork.ai/learn/nptel/102105554/c1a80a8bdc7d) (Video)
49. [Lecture 49: Antibody- structure, function and diversity](https://invisiblenetwork.ai/learn/nptel/102105554/ae88ad85a384) (Video)
50. [Lecture 50: Vaccines and immunotherapy](https://invisiblenetwork.ai/learn/nptel/102105554/db5ea546ef20) (Video)
51. [Lecture 51: Visualizing and analyzing nucleic acids: Gel electrophoresis and PCR](https://invisiblenetwork.ai/learn/nptel/102105554/fdb5e62bc99d) (Video)
52. [Lecture 52: Visualizing and analyzing nucleic acids: DNA Sequencing](https://invisiblenetwork.ai/learn/nptel/102105554/a59598e4447a) (Video)
53. [Lecture 53: Overview of genetic engineering and its impact on society](https://invisiblenetwork.ai/learn/nptel/102105554/e2fa716d0c25) (Video)
54. [Lecture 54: Genetic engineering: Methods and applications](https://invisiblenetwork.ai/learn/nptel/102105554/69d29652d21c) (Video)
55. [Lecture 55: Cloning and Gene manipulation](https://invisiblenetwork.ai/learn/nptel/102105554/4d45b64d8aeb) (Video)
56. [Lecture 56: Characterization methods](https://invisiblenetwork.ai/learn/nptel/102105554/6f84b8384150) (Video)
57. [Lecture 57: Chromatographic methods](https://invisiblenetwork.ai/learn/nptel/102105554/0be4dc96f8b5) (Video)
58. [Lecture 58: protein - ligand interactions](https://invisiblenetwork.ai/learn/nptel/102105554/3e59467cd6ce) (Video)
59. [Lecture 59: Immunoassay techniques](https://invisiblenetwork.ai/learn/nptel/102105554/35507977148b) (Video)
60. [Lecture 60: Landmark experiments in biology](https://invisiblenetwork.ai/learn/nptel/102105554/c3c41c8cc2d2) (Video)
61. [Live Session 18-02-2025](https://invisiblenetwork.ai/learn/nptel/102105554/76b814b99f88-2) (Video)
62. [Live Session 19-03-2025](https://invisiblenetwork.ai/learn/nptel/102105554/d7c37c6dff6c-2) (Video)
63. [Live Session 16-04-2025](https://invisiblenetwork.ai/learn/nptel/102105554/574f6e38f613-2) (Video)