What Conclusion Can Be Drawn Concerning an Inhibitor If the V_max

question 19

Multiple Choice

What conclusion can be drawn concerning an inhibitor if the V_max is the same in the presence and absence of the inhibitor?

• A) The inhibitor binds to the substrate.
• B) The inhibitor can be overcome with sufficiently high concentrations of substrate.
• C) The inhibitor reacts with a critical residue of the enzyme.
• D) The inhibitor binds to the same active site as the substrate.
• E) The K_M is smaller in the presence of inhibitor.

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Definitions:

Homo Neanderthalensis

Extinct hominin; closest known relative of H. sapiens; lived in Africa, Europe, Asia.

Homo Erectus

Extinct hominin that arose about 1.8 million years ago in East Africa; migrated out of Africa.

Homo Floresiensis

A species of small-statured humans that lived on the Indonesian island of Flores until roughly 50,000 years ago.

Cartilaginous Fish

Jawed fish with a skeleton of cartilage; a shark, ray, or skate.