Transport across Cell Membrane [Part 1] || Channel Proteins ||Carrier Protein || Gating ||

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Transport across Cell Membrane

Video Summary :
Transport across Cell Membrane occurs by two means
1) Direct by Cell Membrane
lipid soluble Substance like gases, alcohol,ketones and aldehyde pass readily through cell membrane
2) through Transport Proteins
lipid insoluble substance like glucose, Amino acids and Electrolyte passes through Transport Proteins like Channel Proteins and Carrier Proteins
¤ Channel Protein
• Ion Channels
• Water Channel / Aquaporins
Transport of other substances depend on Character of proteins like
1- Selective permeability
2- Gating
2.1 - Voltage Gating
2.2 - Chemical / Ligand Gating
2.3 - Mechanical Gating
¤ Carrier Protein
• Uniport
• Symport
• Antiport
features of Carrier mediated Transports
1- CompetitiveInhibition
2- Saturation Kinetics

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Disclaimer -
This video is for only Educational purposes and not intended as medical advice though we strive 100 % accuracy