Videos for B2.1 Membranes and membrane transport - IB
These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on B2.1 Membranes and membrane transport and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
5 min
Biology B2.1.1
B2.1.1 Lipid bilayers as the basis of cell membranes
7 min
Biology B2.1.2
B2.1.2 Lipid bilayers as barriers
6 min
Biology B2.1.3
B2.1.3 Simple diffusion across membranes
10 min
Biology B2.1.4
B2.1.4 Integral and peripheral proteins in membranes
5 min
Biology B2.1.5
B2.1.5 Movement of water molecules across membranes by osmosis and the role of aquaporins
5 min
Biology B2.1.6
B2.1.6 Channel proteins for facilitated diffusion
8 min
Biology B2.1.7
B2.1.7 Pump proteins for active transport
4 min
Biology B2.1.8
B2.1.8 Selectivity in membrane permeability
3 min
Biology B2.1.9
B2.1.9 Structure and function of glycoproteins and glycolipids
4 min
Biology B2.1.10
B2.1.10 Fluid mosaic model of membrane structure
5 min
Biology B2.1.11
B2.1.11 Relationships between fatty acid composition of lipid bilayers and their fluidity (HL)
5 min
Biology B2.1.12
B2.1.12 Cholesterol and membrane fluidity in animal cells (HL)
9 min
Biology B2.1.13
B2.1.13 Membrane fluidity and the fusion and formation of vesicles (HL)
1 min
Biology B2.1.14
B2.1.14 Gated ion channels in neurons (HL)
4 min
Biology B2.1.15
B2.1.15 Sodium–potassium pumps as an example of exchange transporters (HL)
4 min
Biology B2.1.16
B2.1.16 Sodium-dependent glucose cotransporters as an example of indirect active transport (HL)
2 min
Biology B2.1.17
B2.1.17 Adhesion of cells to form tissues (HL)