EduNinja

EduNinja

12. Energy and Respiration

12.2 Respiration

13. Photosynthesis

13.1 Photosynthesis as Energy Transfer Process

13.2 Investigation of Limiting Factors

14. Homeostasis

14.1 Homeostasis in Mammals

14.2 Homeostasis in Plants

15. Control and Coordination

15.1 Control and Coordination in Mammals

15.1.1—Endocrine system features

15.1.2—Nervous and endocrine systems

15.1.3—Sensory, motor and intermediate neurones

15.1.4—Sensory receptor cells

15.1.5—Action potential sequence

15.1.6—Membrane potential changes

15.1.7—Rapid transmission in myelinated neurone

15.1.8—Refractory period

15.1.9—Cholinergic synapse structure and function

15.1.10—Muscle contraction stimulation

15.1.11—Striated muscle ultrastructure

15.1.12—Sliding filament model of contraction

15.2 Control and Coordination in Plants

16. Inheritance

16.1 Passage of Information from Parents to Offspring

16.2 The Roles of Genes in Determining Phenotype

16.3 Gene Control

17. Selection and Evolution

17.2 Natural and Artificial Selection

18. Classification, Biodiversity and Conservation

18.1 Classification

18.2 Biodiversity

18.3 Conservation

19. Genetic Technology

19.1 Principles of Genetic Technology

19.2 Genetic Technology Applied to Medicine

19.3 Genetically Modified Organisms in Agriculture

Practical assessment skills

Paper 3 Advanced Practical Skills

Paper 5 Planning, Analysis and Evaluation

Mathematical and statistical skills

AS and A Level mathematical requirements

A Level only mathematical and statistical requirements

A Level formula reference and statistics notes

A-Level CAIE Biology A2 15.1.5—Action potential sequence Question Bank

15.1.5—Action potential sequence

• Action potential sequence in sensory neurone using taste bud chemoreceptor example

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