IB biology - B2.3 Cell specialization

Syllabus

Standard level

• B2.3.1 Production of unspecialized cells following fertilization and their development into specialized cells by differentiation
• B2.3.2 Properties of stem cells
• B2.3.3 Location and function of stem cell niches in adult humans
• B2.3.4 Differences between totipotent, pluripotent and multipotent stem cells
• B2.3.5 Cell size as an aspect of specialization
• B2.3.6 Surface area-to-volume ratio and constraints on cell size

Additional higher level

• B2.3.7 Adaptations to increase surface area-to-volume ratios of cells
• B2.3.8 Adaptations of type I and type II pneumocytes in alveoli
• B2.3.9 Adaptations of cardiac muscle cells and striated muscle fibres
• B2.3.10 Adaptations of sperm and egg cells

Slides