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Lab 4 Study Guide Questions And Answers Latest Update
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Lab 4 Study Guide Questions And Answers Latest Update
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2024/2025Lab 4 Study Guide Questions And
Answers Latest Update
What are enzymes and what is their function ANS✔✔ Enzymes are biological molecules (typically
proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place
within cells. They are vital for life and serve a wide range of important functions in the body, such as
aiding in digestion and metabolism.
What type of macromolecule are most enzymes composed of? ANS✔✔ Proteins
Substrate ANS✔✔ The material or substance on which an enzyme acts. The surface on or in which
plants, algae, or certain animals, such as barnacles or clams, live or grow. A substrate may serve as a
source of food for an organism or simply provide support.
Enzyme-substrate complex ANS✔✔ is a temporary molecule formed when an enzyme comes into
perfect contact with its substrate. Without its substrate an enzyme is a slightly different shape. The
substrate causes a conformational change, or shape change, when the substrate enters the active site.
Transition state ANS✔✔ is the state corresponding to the highest energy along the reaction
coordinate. It has more free energy in comparison to the substrate or product; thus, it is the least
stable state.
Energy of activation or Activation energy ANS✔✔ the minimum amount of energy that is required
to activate atoms or molecules to a condition in which they can undergo chemical transformation or
physical transport.
Active site ANS✔✔ a region on an enzyme that binds to a protein or other substance during a
reaction.
Products ANS✔✔ Product. the substance(s) which are produced by a reaction.
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