The time vs energy plots of two reactions.  The letter A points to the peak without an enzyme.  B points to A plus B.  C points to the peak with an enzyme.  D points to AB after the peak.

Image Souce: Magnus Manske GFDL or CC-BY-SA-3.0, via Wikimedia Commons

Which of these arrows point to the substrates?

Choose one answer

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

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