When a reaction achieves a steady state: Select one: a. The rate decreases b. Th

Question

When a reaction achieves a steady state:
Select one:
a. The rate decreases
b. The [ES] remains constant over time
c. The rate increases exponentially
d. The enzyme is completely saturated
e. All of the above


The pre-steady state of a reaction is when:
Select one:
a. The enzyme is first mixed with its substrate
b. The enzyme is completely saturated
c. The reaction has reached Vmax
d. The reaction has reached Km
e. None of the above


The steady state assumption, as applied to enzyme kinetics, implies:
Select one:
a. Km = Ks.
b. the maximum velocity occurs when the enzyme is saturated.
c. the ES complex is formed and broken down at equivalent rates.
d. the Km is equivalent to the cellular substrate concentration.
e. the enzyme is regulated.

Explanation / Answer

d. The enzyme is completely saturated d. The reaction has reached Km d. the Km is equivalent to the cellular substrate concentration.

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