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...

The Central Role of Enzymes as Biological Catalysts

10 Questions

0 Views

The Central Role of Enzymes as Biological Catalysts

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

What determines the equilibrium between S and P in the absence of the enzyme?

Interaction between the enzyme and substrate

Presence of the appropriate enzyme

Total energy changes during the conversion of S to P

Ratio of the forward and reverse reaction rates (correct)

What effect does the enzyme have on the equilibrium between S and P?

Reduces the rate of the forward reaction

Unaltered equilibrium state (correct)

Shifts the equilibrium towards P

Increases the concentration of S

What is the role of the transition state in enzyme-catalyzed reactions?

Facilitates conversion of substrate to product (correct)

Energy required to reach the highest energy state

Determines the final energy states of S and P

Forms a barrier to reaction progress

How do enzymes increase the rate of reaction in both forward and reverse directions?

By reducing the activation energy Signup and view all the answers

What characterizes the active site of an enzyme?

A specific region on the enzyme for substrate binding Signup and view all the answers

What is the central role of enzymes as biological catalysts?

Increasing the rate of chemical reactions in cells Signup and view all the answers

Why are most biological reactions catalyzed by proteins?

Proteins are more efficient than RNAs in catalyzing reactions Signup and view all the answers

How do enzymes affect the rates of biochemical reactions?

They accelerate reaction rates without being consumed Signup and view all the answers

What happens to biochemical reactions without enzymatic catalysis?

They would not occur under mild conditions of temperature and pressure Signup and view all the answers

Why do cells contain thousands of different enzymes?

To determine which chemical reactions occur within the cell Signup and view all the answers