Metabolism Processes

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Questions and Answers

What is the location of anaerobic metabolism in the human body?

  • Nucleus
  • Cytoplasm (correct)
  • Endoplasmic reticulum
  • Mitochondria

Which type of metabolism requires oxygen?

  • Catabolic metabolism
  • Aerobic metabolism (correct)
  • Anabolic metabolism
  • Anaerobic metabolism

What is the purpose of enzymes in metabolic pathways?

  • To slow down reactions
  • To decrease the energy required for reactions
  • To speed up reactions (correct)
  • To change the direction of reactions

What is the characteristic of a catabolic pathway?

<p>It breaks down molecules (D)</p> Signup and view all the answers

What is the difference between a linear and circular metabolic pathway?

<p>Linear pathways are not repeated, while circular pathways are repeated (D)</p> Signup and view all the answers

What is the purpose of anabolic pathways?

<p>To build up molecules to store energy (B)</p> Signup and view all the answers

What is the primary site where gluconeogenesis takes place?

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

What is the purpose of glycogenesis?

<p>To store excess glucose as glycogen (A)</p> Signup and view all the answers

What is the fate of pyruvate in aerobic conditions?

<p>It is converted to acetyl-CoA and CO2 (B)</p> Signup and view all the answers

What is the role of the citric acid cycle?

<p>It plays a role in both anabolism and catabolism (A)</p> Signup and view all the answers

What is the process called when glycogen is broken down into glucose?

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

How many reaction steps are involved in the degradation of glycogen to glucose?

<p>2 (B)</p> Signup and view all the answers

What is the primary difference between anabolic and catabolic pathways?

<p>Anabolic pathways build up larger compounds, while catabolic pathways break them down (D)</p> Signup and view all the answers

What is the purpose of coenzymes in metabolic reactions?

<p>To bind to an enzyme to activate or function (B)</p> Signup and view all the answers

In which type of reaction is a hydride ion (H-) removed from an organic molecule?

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

What is the result of NAD+ receiving a hydride from another molecule?

<p>Formation of NADH, with a gain of electrons (C)</p> Signup and view all the answers

What is the characteristic of metabolic pathways that involve electron transfer reactions?

<p>They involve the transfer of electrons (D)</p> Signup and view all the answers

What is the energy requirement of anabolic pathways?

<p>They require energy (D)</p> Signup and view all the answers

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