The Human Digestive System (AQA GCSE Biology Combined Science): Flashcards
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Role of digestive system
Role of digestive system
Breaks down large, insoluble food into small, soluble molecules
Roles of HCl in stomach
Roles of HCl in stomach
Kills bacteria & creates acidic pH for pepsin
Location of nutrient absorption
Location of nutrient absorption
Small intestine
What liver produces
What liver produces
Bile
Definition of enzymes
Definition of enzymes
Biological catalysts that speed up reactions
Optimum temp for enzymes
Optimum temp for enzymes
What amylase breaks down
What amylase breaks down
Starch into maltose
Product of protease action
Product of protease action
Amino acids
Benedict's test positive result
Benedict's test positive result
Brick red
Two roles of bile
Two roles of bile
Neutralises acid & emulsifies fats