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Biology

GCSE · AQA

QuestionsFlashcards

Communicable Diseases
Monoclonal Antibodies
- Producing Monoclonal Antibodies
  6
- Uses of Monoclonal Antibodies
  7
Plant Disease
- Detection and Identification of Plant Diseases
  6
- Plant Defence Responses
  6

The Stomach Flashcards

All 4 cards in this deck

Which enzyme is produced by the stomach, and what does it break down?: Protease; it breaks proteins down into amino acids.
Why does the stomach produce hydrochloric acid?: To give the acidic pH (about pH 2) at which stomach protease works best; it also kills bacteria in food.
What does the muscular wall of the stomach do?: It churns the food, mixing it with the acid and enzymes.
True or false? Starch is digested by amylase in the stomach.: False. The stomach is too acidic, so amylase is denatured there; starch is digested in the mouth and small intestine.