Biochemistry | IPL FOR CSIR & DBT JRF | TARGET CSIR DBT JRF 2026 | Lec 01 | IFAS

Molecular Interactions & Carbohydrates in Biochemistry explained with clear concepts & exam-focused approach. Learn Electrostatic, Hydrogen Bonding, Hydrophobic Effect, Monosaccharides & Epimers for CSIR NET Life Science, GATE Life Science & DBT Life Science. 🔥Join India's Best Coaching for CSIR NET and GATE Exams: https://ifasonline.com/csir-net/life-... 📞 Need Guidance? Call/WhatsApp: 9172266888 ━━━━━━━━━━━━━━━━━━━━━━━━━ ⏳ Lecture Timeline: [00:00:00] – Introduction To Biochemistry [00:03:55] – Electrostatic: E∝1/(εr) [00:07:34] – Ion-Ion strongest [00:10:00] – Dipole-dipole E∝1/r³ [00:11:25] – London E∝1/r⁶ [00:17:07] – Q1: Water's high ε [00:21:27] – H-bond: 8-40 kJ/mol [00:29:28] – Q3: Weakest H-bond [00:33:15] – Q4: H-bond factors [00:36:39] – Hydrophobic: entropy-driven [00:52:59] – Q7: Water entropy drives folding [00:54:16] – VdW max at contact distance [01:06:04] – Strength in water: [01:15:42] – Carbohydrates: aldoses/ketoses [01:21:26] – D/L: last chiral OH right=D [01:23:50] – Stereoisomers = 2ⁿ [01:28:45] – Epimers: differ at one C [01:30:42] – MAGI: Mannose C2, Allose C3, Galactose C4, Idose C5 [01:37:26] – Anomeric carbon: C1 (aldose), C2 (ketose) [01:40:54] – α (OH down), β (OH up) [01:43:11] – Mutarotation: 37% α, 63% β [01:47:03] – Glycosidic bond = ether [01:52:47] – Sucrose non-reducing [02:01:33] – Complete Session (Biochemistry) ━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Topics Covered in This Lecture: Electrostatic Interactions (Ion-Ion, Ion-Dipole, Dipole-Dipole), Hydrogen Bonding & Strength Factors, Hydrophobic Effect (Entropy-driven), Van der Waals / London Dispersion Forces, Monosaccharides: D/L Configuration, Epimers, Anomers & Glycosidic Bonds, Reducing vs Non-reducing Sugars ━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 Lecture Summary: In this session, IFAS Expert Faculty focuses on forces stabilizing biomolecules – electrostatic (energy ∝ 1/r, 1/r², 1/r³, 1/r⁶), H-bonding (8-40 kJ/mol), and hydrophobic effect (entropy-driven). Carbohydrate chemistry covered: D/L sugars, epimers (C2 mannose, C4 galactose), anomers (α/β), mutarotation, glycosidic bonds (ether linkage), and reducing/non-reducing disaccharides (sucrose). Exam tips on dielectric constant & bond strength order included. ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 This lecture is highly beneficial for students preparing for: ✅ CSIR NET Life Science ✅ GATE Life Science ✅ GATE Biotechnology ✅ GATE Ecology & Evolutuon ✅ BET (DBT) ✅DHR ICMR (BRET) ✅ TIFR Biology  ✅ BARC Bioscience  ✅ SET / PhD Entrance Exams ━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 Why IFAS is India’s No. 1 Choice for CSIR NET & GATE Life Science? (Our Results Speak): ✅ CSIR NET Dec 2025: 4000+ Selections (AIR 3, 8, 9, 9...) ✅ CSIR NET June 2025: 4200+ Selections (AIR 1, 2, 6, 10...) ✅ CSIR NET Dec 2024: 4000+ Selections (AIR 5, 6, 7, 8, 9...) ✅ CSIR NET June 2024: 2000+ Selections (AIR 3, 10, 13...) ✅ CSIR NET Dec 2023: 1200+ Selections (AIR 2, 4, 5...) 📄 View IFAS Result Sheet: 👉 https://drive.google.com/file/d/1THh6... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 Important Links: 🌍 Visit our Website: https://ifasonline.com 📞 Contact for Queries: 9172266888 📘 Free Counselling: https://ifasonline.com/csir-net/life-... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 India's Best Online Classes and Books: 🔥CSIR NET Life Science Live & Recorded Course: https://ifasonline.com/csir-net/life-... 🎯 GATE Life Science Recorded Course: https://ifasonline.com/gate/life-scie... 🎯 GATE Biotechnology Recorded Course: https://ifasonline.com/gate/biotechno... 📘CSIR NET Life Science Books: https://ifasonline.com/csir-net/life-... ━━━━━━━━━━━━━━━━━━━━━━━━━ 📲 Download IFAS App: Android: https://play.google.com/store/apps/de... IOS: https://apps.apple.com/us/app/ifas/id... ━━━━━━━━━━━━━━━━━━━━━━━━━ Stay Updated Via Other Social Media: ✔ Telegram: https://t.me/IfasLifeScience ✔ Instagram:   / csir_net_life_science_ifas   #molecularinteractions #carbohydrates #biochemistry #csirnetlifescience #gatelifescience #gatebt #setlifescience