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CourseCourse QuestionQuestionDocumentDocument

A Unity and Diversity

B Form and Function

B1.1 Carbohydrates and lipids

B2.1 Membranes and membrane transport

B2.1.1—Lipid bilayers as basis

B2.1.2—Bilayers as barriers

B2.1.3—Simple diffusion

B2.1.4—Integral and peripheral proteins

B2.1.5—Osmosis and aquaporins

B2.1.6—Channel proteins

B2.1.7—Pump proteins

B2.1.8—Selectivity in permeability

B2.1.9—Glycoproteins and glycolipids

B2.1.10—Fluid mosaic model

B2.2 Organelles and compartmentalization

B2.3 Cell specialization

B3.1 Gas exchange

B4.1 Adaptation to environment

B4.2 Ecological niches

C Interaction and Interdependence

D Continuity and Change

IB/Biology/SL//Concept/B Form and Function/B2.1 Membranes and membrane transport/B2.1.8—Selectivity in permeability

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