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inoh

substrate

/ˈsʌbstɹeɪt/ · /ˈsʌbˌstɹeɪt/

Meaning 1

A substance on which an enzyme acts.

“The enzyme binds to its substrate before the reaction begins.”

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Illustration of substrate: A substance on which an enzyme acts.

Meaning 2

underlying layer

“The substrate supported the plant growth.”

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Illustration of substrate: underlying layer