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Type: Multiple-Choice
Category: Macromolecules
Level: Grade 10
Tags: enzymes
Author: jlovering
Last Modified: 6 years ago

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Grade 10 Macromolecules

Which statement correctly describes how enzymes function as a catalyst?
  1. Product joins the enzyme at the active site; activation energy is lowered; reaction occurs; substrate is released; and enzyme is used up.
  2. Substrate joins the enzyme at the activation energy; reaction occurs; active site is lowered; products are released; and enzyme is available to use again.
  3. Substrate joins the enzyme at the active site; activation energy is lowered; reaction occurs; products are released; and enzyme is available to use again.
  4. Reaction occurs; activation energy is lowered; substrate joins the enzyme at the active site; products are released; and enzyme is available to use again.
  5. Substrate joins the enzyme at the active site; products are released; reaction occurs; enzyme joins the products; and activation energy is lowered.