Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Interpretation of Enzyme Kinetic Equations and Constants

12 Questions

0 Views

Interpretation of Enzyme Kinetic Equations and Constants

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

When [S] is low, what is the relationship between V0 and Vmax?

V0 = Vmax/2

V0 is independent of Vmax

V0 = Vmax (correct)

V0 = 2Vmax

What is the significance of Km in enzyme kinetics?

It represents the maximum velocity of the reaction

It is the equilibrium constant of the association of E and S

It indicates the substrate concentration needed to reach half the maximum velocity (correct)

It is the rate constant of the reaction

What is the relationship between [ES] and [Etotal] when [S] = Km?

[ES] = [Etotal]

[ES] = 2[Etotal]

[ES] = [Etotal]/2 (correct)

[ES] is independent of [Etotal]

What is the rapid equilibrium assumption in enzyme kinetics?

The dissociation of ES into E and S is faster than the association of E and S Signup and view all the answers

What does a high value of Km indicate?

Weak association of E and S Signup and view all the answers

What is one of the uses of Km in enzyme kinetics?

To establish an approximate value for the intracellular level of the substrate Signup and view all the answers

What is the purpose of comparing Km values from different enzymes?

To compare the suitability of alternate substrates for an enzyme Signup and view all the answers

What does a decrease in Km value indicate?

An increase in the enzyme's affinity for the substrate Signup and view all the answers

What is the unit of the turn over number (K2) of an enzyme?

Molecules per unit time Signup and view all the answers

What is the significance of the Vmax/Km ratio?

It determines the best substrate for the enzyme Signup and view all the answers

What is the effect of a ligand on the Km value of an enzyme?

It changes the Km value, indicating a regulatory mechanism Signup and view all the answers

What is the maximum velocity (Vmax) of an enzyme?

The highest rate of substrate conversion to product Signup and view all the answers