Metabolism Overview and Biological Transformations

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Questions and Answers

What is the energy currency of life in living cells?

  • ATP (correct)
  • ADP
  • Fatty acids
  • Glucose

Which type of reaction releases energy?

  • Catabolic reaction
  • Exergonic reaction (correct)
  • Anabolic reaction
  • Endergonic reaction

What is the entire set of enzyme-catalyzed transformations of organic molecules in living cells known as?

  • Metabolism (correct)
  • Anabolism
  • Metamorphosis
  • Catabolism

Which compounds provide chemical energy in living cells?

<p>Glucose and fatty acids (A)</p> Signup and view all the answers

What can be formed by the oxidation of carbon compounds like glucose and fatty acids?

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

What regulates metabolic pathways in living cells?

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

What is the main function of ATP in cells?

<p>To provide energy for cell processes by linking catabolism and anabolism (D)</p> Signup and view all the answers

What is the structure of adenosine triphosphate (ATP)?

<p>Adenine + Ribose + 3 phosphate groups (B)</p> Signup and view all the answers

Which process results in the production of ATP supported by the energy released from another high-energy bond that leads to phosphorylation of ADP to ATP?

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

What is the phase of intermediary metabolism concerned with the energy-yielding degradation of nutrient molecules?

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

What is the role of redox coenzymes in catabolism?

<p>To oxidize coenzymes and transfer electrons to the electron transport chain (C)</p> Signup and view all the answers

Which process involves substrates losing electrons and oxidizing coenzymes to collect electrons for ATP production?

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

What is the primary function of ATP in the context of metabolism?

<p>To serve as a high-energy phosphate donor for anabolic reactions (D)</p> Signup and view all the answers

Which reaction is characterized by the transfer of electrons from a donor to an acceptor molecule?

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

What is the source of ATP production that occurs in the absence of mitochondria or anaerobiosis?

<p>Substrate-level phosphorylation (B)</p> Signup and view all the answers

Which phase of intermediary metabolism involves the biosynthesis of cell components from smaller precursors?

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

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