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Curated by: Pocket Size Bio (26 videos)
Book a tutoring or mentorship session on Calendly; https://calendly.com/pocketsizebio/1hr-mentorship-meetings-clone Suzuri merchandise https://suzuri.jp/pocketsizebio Pocket size bio membership supporter tier https://www.youtube.com/channel/UC-jzhzsWgc8_Tx9VnEoEsJw/join In this video, we explore how cells communicate, respond to their environment, and coordinate complex biological processes—from simple bacteria to advanced multicellular organisms. 🔬 What you’ll learn: ✅ Evolution of Cell Signaling How bacteria communicate using chemical signals Understanding quorum sensing and how it leads to coordinated behavior like biofilm formation Why biofilms protect bacteria and contribute to antibiotic resistance ✅ Cell Communication in Different Organisms Chemical signaling in yeast during mating (a and α factors) Shared signaling mechanisms across bacteria, plants, and animals ✅ Types of Cell Signaling Direct contact communication between cells Paracrine signaling (local signaling via growth factors) Synaptic signaling in the nervous system Endocrine signaling (hormones traveling long distances) ✅ The 3 Stages of Cell Signaling Reception: signal binds to a receptor Transduction: signal is converted through relay molecules Response: cellular action such as gene activation or enzyme activity ✅ Signal Reception & Receptors How ligands bind specifically to receptors Difference between cell surface receptors and intracellular receptors ✅ Major Types of Cell-Surface Receptors G protein-coupled receptors (GPCRs) Receptor tyrosine kinases (RTKs) Ion channel receptors ✅ Clinical Connections Role of receptors in diseases like cancer Example: HER2 and targeted therapy (Herceptin) ✅ Intracellular Signaling How steroid hormones and small molecules cross membranes Gene regulation through transcription factors Chapter links Chapter 1 part 1 https://youtu.be/mKbkWm61vTM Chapter 1 part 2 https://youtu.be/kjV6g4As4cE Chapter 2 https://youtu.be/Pf0VG2eJSbk Chapter 3 https://youtu.be/JBTXKezluNg Chapter 4 https://youtu.be/7N-X5MGgzB4 Chapter 5A https://youtu.be/0bcAhKBjmmE Chapter 5B https://youtu.be/5q9KC5wQMjA Chapter 6A https://youtu.be/V2wr8o2ZBNI Chapter 6B https://youtu.be/gBXRVPOuRss Chapter 7A https://youtu.be/K5Gu3-pN-AQ Chapter 7B https://youtu.be/ZZbf9YLYUBk Chapter 8A https://youtu.be/6a_zOTT43_c Chapter 8B https://youtu.be/i0ow71nui2M Chapter 9A https://youtu.be/K8IiqvDq3cw Chapter 9B https://youtu.be/7bBbv1U4xv4 Chapter 10A https://youtu.be/G-tHw1kEhJg Chapter 10B https://youtu.be/foqhz98Ugsw