In the Case of an Enzyme Displaying a Sigmoid Relationship

question 119

Multiple Choice

In the case of an enzyme displaying a sigmoid relationship between velocity and substrate concentration, it can be concluded that

• A) the binding of one substrate molecule hinders the binding of others.
• B) the enzyme contains only one binding site for substrate.
• C) substrate binds more easily at low concentrations than at high concentrations.
• D) the enzyme must contain at least four subunits.
• E) the enzyme displays cooperativity in terms of substrate binding.

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