In an enzyme assay, 4.5 μ mol of substrate was consumed in 3.166 min. What is the enzyme activity expressed in IU?

Name: In an enzyme assay, 4.5 μ mol of substrate was consumed in 3.166 min. What is the enzyme activity expressed in IU?
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Question

In an enzyme assay, 4.5 μ mol of substrate was consumed in 3.166 min.  What is the enzyme activity expressed in IU?

Quizplus · Accepted Answer

Enzyme activity in IU is defined as the amount of enzyme that catalyzes the conversion of 1 μmol of substrate per minute. Here, 4.5 μmol of substrate is consumed in 3.166 minutes, so the activity is 4.5 μmol / 3.166 min = 1.42 IU, which rounds to 1.4 IU.

In an Enzyme Assay, 4