Metabolism and Nutrition: Overview of Metabolic Reactions

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Questions and Answers

What is the primary way of transferring heat by contact?

  • Radiation
  • Conduction (correct)
  • Evaporation
  • Convection

At what temperature is a naked human considered to be at a thermoneutral state?

  • 100 degrees
  • 70 degrees
  • 84 degrees (correct)
  • 90 degrees

Which process accounts for the highest percentage of heat loss during ATP production?

  • Conduction
  • Evaporation
  • Convection
  • Radiation (correct)

What percentage of energy used during ATP production creates heat?

<p>60% (D)</p> Signup and view all the answers

Which compound category includes Vitamins A, D, E, and K?

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

What is the primary source of energy expenditure at rest and in a neutral environment?

<p>Basal Metabolic Rate (BMR) (B)</p> Signup and view all the answers

Which type of reaction involves breaking down molecules to release energy?

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

What is the most common fuel for ATP production?

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

Which hormone is categorized as catabolic?

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

Where does pyruvate go if oxygen is present?

<p>Enters the Krebs cycle (D)</p> Signup and view all the answers

What molecule is formed when pyruvate combines with Coenzyme A?

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

Which process generates lactic acid in the absence of oxygen?

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

What is the end result of the Electron Transport Chain (ETC)?

<p>$38$ ATP produced (C)</p> Signup and view all the answers

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