The blue graph (A) has an acidic optimal pH, the orange (B) has a neutral optimal pH, and the green (C) has a basic optimal pH.

Image Source: By Alejandro Porto CC BY-SA 3.0, via Wikimedia Commons

Which of these lines most likely represents the activity of an enzyme located in the stomach?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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