Which of the following is true under these conditions: The enzyme concentration is 5 nM, the substrate concentration is 5 mM, and the K_M is 5 μM. A) The enzyme is saturated with substrate. B) Most of the enzyme does not have substrate bound. C) There is more enzyme than substrate. D) All of the above. E) None of the above.

Question

Quizplus · Accepted Answer

The enzyme is saturated with substrate because the substrate concentration (5 mM) is much higher than the KS (5 μM), indicating that most enzyme active sites are occupied by substrate.

Which of the Following Is True Under These Conditions: the Enzyme