Chapter 9
Accelerate Expertise with Examples

Lactose is a complex sugar found in milk. To digest lactose, you need lactase, an enzyme that breaks lactose into two sugar molecules: glucose and galactose. Individuals lacking this enzyme have lactose intolerance. Unable to digest milk, they suffer from various gastrointestinal symptoms. Lactase is but one of about 4,000 different enzymes that serve as catalysts of essential physiological processes. Catalysts speed up the rate of chemical reactions but are themselves unaffected. Examples are learning catalysts. You might be able to learn without them. However, adding examples to lessons has ...

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