Enzymes: Biological Catalysts Quiz
16 Questions
4 Views

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 is the function of enzymes in biochemical reactions?

  • They have no effect on the rate of reactions
  • They speed up the rate of reactions (correct)
  • They slow down the rate of reactions
  • They undergo changes during reactions

What are enzymes also known as?

  • Biological reactors
  • Biological inhibitors
  • Biological catalysts (correct)
  • Biological stabilizers

Where are enzymes found in the body?

  • Only in the circulatory system
  • Only in the plasma membrane
  • Only in metabolic pathways
  • In all tissues and fluids of the body (correct)

What is the role of intracellular enzymes?

<p>Carry out all reactions in metabolic pathways (B)</p> Signup and view all the answers

What is the small region of the enzyme where it interacts with its substrates called?

<p>Active site (C)</p> Signup and view all the answers

What is the main impact of enzymes on metabolic processes?

<p>Accelerating the rate and specificity of metabolic reactions (B)</p> Signup and view all the answers

What is an active site in an enzyme?

<p>A region of the enzyme that holds specific substrate molecules through intermolecular forces (B)</p> Signup and view all the answers

What happens when the substrate binds to the active site of an enzyme?

<p>The enzyme-substrate complex is formed (C)</p> Signup and view all the answers

What do enzymes do in a chemical reaction?

<p>Increase the rate of the reaction (A)</p> Signup and view all the answers

What is true about enzyme activity?

<p>It varies in response to substrate concentration or other molecules (A)</p> Signup and view all the answers

What is the primary composition of most enzymes?

<p>Proteins (D)</p> Signup and view all the answers

What are ribozymes?

<p>Specialized RNA molecules with catalytic activity (C)</p> Signup and view all the answers

What is necessary for the catalytic activity of an enzyme?

<p>Amino acid residues only (B)</p> Signup and view all the answers

What is true about denatured enzymes?

<p>They do not have catalytic activities (B)</p> Signup and view all the answers

What does the term 'apoen' refer to?

<p>An enzyme without its cofactor (B)</p> Signup and view all the answers

What do many enzymes depend on for their catalytic activity?

<p>Small molecules termed cofactors (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser