Enzyme Classification Quiz
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Questions and Answers

What is the main role of DNA Polymerases?

  • Catalyzing the addition or removal of a phosphate group
  • Replicating and repairing DNA (correct)
  • Breaking down triglycerides
  • Synthesizing RNA molecules

What is the primary function of RNA Polymerases?

  • Catalyzing the transfer of a phosphate group
  • Assisting in fat digestion
  • Synthesizing RNA from a DNA template (correct)
  • Breaking down glycogen

Which enzyme catalyzes the addition or removal of a phosphate group from a molecule?

  • DNA Polymerases
  • Phosphorylase (correct)
  • Kinase
  • Lipase

What is the key function of Kinase enzymes?

<p>Transferring a phosphate group to a specific substrate (A)</p> Signup and view all the answers

Which enzyme is primarily involved in fat digestion and metabolism?

<p>Lipase (B)</p> Signup and view all the answers

Which enzyme is responsible for accurately replicating and repairing the DNA genome?

<p>DNA Polymerases (C)</p> Signup and view all the answers

Which group of enzymes catalyze the breakdown of chemical bonds through methods other than hydrolysis or oxidation?

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

What is the main function of most hydrolases?

<p>Breaking down nutrients into smaller units for digestion (D)</p> Signup and view all the answers

Which enzyme breaks down starches and carbohydrates into simpler sugars like maltose and glucose?

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

What is the primary function of ligases?

<p>Synthesis of two molecular substrates into one compound (A)</p> Signup and view all the answers

Which enzyme degrades proteins in animals, plants, fungi, and bacteria?

<p>Protease (A)</p> Signup and view all the answers

What type of reaction do transferases catalyze?

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

What cellular processes can be regulated by the phosphorylation process described in the text?

<p>Signal transduction, metabolism, and cell growth (B)</p> Signup and view all the answers

Which enzyme is involved in the breakdown of maltose into two glucose molecules?

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

What is the primary function of trypsin in the digestive system?

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

Which term can be used to refer to trypsin based on its function?

<p>Proteinase (B)</p> Signup and view all the answers

Enzymes are essential for speeding up and breaking down chemical reactions in the body. What type of macromolecules are enzymes primarily composed of?

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

What characteristic of enzymes is defined as referring to the inherent properties at the molecular and atomic levels?

<p>Chemical nature (B)</p> Signup and view all the answers

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