IB Biology Topic B2.3 Cell Specialization (SL/HL) covers syllabus content as part of Topic B2: Cells under Theme B: Form and Function. Use these notes, questionbank, videos, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
B2.3 Cell specialization is part of Topic B2: Cells under Theme B: Form and Function.
What this topic covers
B2.3.1 Production of unspecialized cells following fertilization and their development
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 ratios and constraints on cell size
B2.3.7 Adaptations to increase surface area-to-volume ratios of cells (HL)
B2.3.8 Adaptations of type I and type II pneumocytes in alveoli (HL)
B2.3.9 Adaptations of cardiac muscle cells and striated muscle fibres (HL)
B2.3.10 Adaptations of sperm and egg cells (HL)