Biology for IGCSE & O level - Human Nutrition (Section 6 - No. 34)

What are the functions of hydrochloric acid in the stomach?

Denatures proteins

Emulsifies fats

Kills bacteria

Neutralizes the chyme

Explanation

Hydrochloric acid denatures proteins and kills bacteria. Emulsification is done by bile, not hydrochloric acid. It does not neutralize the chyme, it makes it more acidic.

Biology for IGCSE & O level - Human Nutrition (Section 6 - No. 34)

Explanation

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