Which statement about Km is FALSE? Km is substrate concentration at which the en
ID: 1072989 • Letter: W
Question
Which statement about Km is FALSE? Km is substrate concentration at which the enzyme operates at half-maximum velocity. The Km of an enzyme can be determined from a Michaelis-Menton plot. The Km of an enzyme can be determined from a Lineweaver-Burke plot. An enzyme with a higher Km has a lower affinity for its substrate. An enzyme with a lower Km has a lower affinity for its substrate. If the velocity of an enzyme-catalyzed reaction is independent of substrate concentration: allosteric activation is occurring. allosteric inhibition is occurring. the Circe effect is occurring. the enzyme is operating at V_max substrate concentration is below KmExplanation / Answer
Km false statement about it
E. An enzyme with lower Km has lower affinity for its substrate
Higher Km means lower affinity and lower Km value means a higher affinity for the substrate.
If the velocity of an enzyme catalyzed reaction is independent of substrate concentration,
D. the enzyme is operating at Vmax
at this point the velocity becomes constant and is unaffected by substrate concentration.
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