General Principles of Cell Communication | Hydrophilic and Hydrophobic Ligand | Extra/Intracellular

Welcome to Bioverse LifeSciences, your trusted destination for UPPSC Assistant Professor Botany Exam Preparation! 🌿

In this detailed session, we explain the General Principles of Cell Communication — one of the most important and high-weightage topics for UPPSC, RPSC, and Assistant Professor Botany exams.

We’ll explore how cells communicate, receive, and respond to signals through ligands, receptors, and transduction cascades. Understand signal amplification, second messengers (cAMP, Ca²⁺, IP₃), receptor types (GPCRs, RTKs) and hormonal signaling in plants like auxin, cytokinin, and ethylene — all with crystal-clear conceptual clarity.

This class is designed for aspirants preparing for UPPSC Assistant Professor (Botany), CSIR NET Life Sciences, GATE XL, and University-level faculty exams.

📍 Topics Covered:
✅ What is Cell Communication
✅ Components of Cell Signaling – Ligand, Receptor, Transduction
✅ Types of Signaling – Autocrine, Paracrine, Endocrine, Juxtacrine
✅ Signal Transduction Pathways
✅ Second Messengers: cAMP, IP₃, DAG, Ca²⁺
✅ Receptor Types: GPCR, RTK, Ion-Channel Receptors
✅ Plant Cell Communication & Phytohormones
✅ Signal Amplification & Termination
✅ Examples: Nitric Oxide (NO) Signaling, Auxin Mechanism
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