Biology Metabolism Quiz
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Questions and Answers

What is the primary ingredient in energy drinks that promotes lipolysis?

  • Adenosine Triphosphate (ATP)
  • Creatine Phosphate
  • Adenosine Diphosphate (ADP)
  • Caffeine (correct)

    • What is the result of excessive caffeine intake?

  • Enhanced concentration
  • Elevated heart rate and blood pressure (correct)
  • Improved sleep quality
  • Increased metabolism

    • What is the primary source of energy used directly by the cell?

  • Adenosine Triphosphate (ATP) (correct)
  • Inorganic Phosphate
  • Creatine Phosphate
  • Adenosine Diphosphate (ADP)

    • What is the byproduct of ATP breakdown?

    <p>Adenosine Diphosphate (ADP)</p> Signup and view all the answers

    What is the purpose of creatine phosphate in the body?

    <p>To regenerate ATP from ADP</p> Signup and view all the answers

    What is the risk associated with mixing energy drinks with alcohol?

    <p>Doubled risk of injury and need for medical attention</p> Signup and view all the answers

    What is the primary function of the mitochondrion in the cell?

    <p>To generate energy for the cell through aerobic metabolism</p> Signup and view all the answers

    How many kilocalories per gram does alcohol contain?

    <p>7</p> Signup and view all the answers

    What is the term for the 'building' of new substances that require energy?

    <p>Anabolism</p> Signup and view all the answers

    Where is alcohol primarily metabolized in the body?

    <p>Liver</p> Signup and view all the answers

    What is the term for the sequence of reactions that convert compounds from one form to another in the production of energy?

    <p>Metabolic pathway</p> Signup and view all the answers

    What is the result of inborn errors of metabolism?

    <p>Buildup of toxins</p> Signup and view all the answers

    What is the main function of the liver in terms of metabolism?

    <p>To metabolize, store, and distribute nutrients after absorption</p> Signup and view all the answers

    What is the term for the 'breakdown' of molecules to produce energy?

    <p>Catabolism</p> Signup and view all the answers

    What is the role of MEOS in the metabolism of alcohol?

    <p>Used when intake is high</p> Signup and view all the answers

    What happens to excess energy from alcohol in the body?

    <p>It is converted to fatty acids and stored as triglycerides</p> Signup and view all the answers

    What is the fluid portion of the cell where anaerobic metabolism takes place?

    <p>Cytosol</p> Signup and view all the answers

    What is the function of creatine phosphate in muscle cells?

    <p>To store energy in the form of high-energy compound</p> Signup and view all the answers

    What is the primary source of energy for the brain and red blood cells?

    <p>Glucose</p> Signup and view all the answers

    What is the process by which carbohydrates provide energy to the cell?

    <p>Glycolysis</p> Signup and view all the answers

    What is the byproduct of glycolysis that can be converted to acetyl CoA during aerobic metabolism?

    <p>Pyruvate</p> Signup and view all the answers

    What is the process by which dietary fat (triglycerides) is broken down into fatty acids and glycerol?

    <p>Lipolysis</p> Signup and view all the answers

    What is the term for the ability of fatty acids to be converted into ketone bodies?

    <p>Ketogenic</p> Signup and view all the answers

    What is the primary function of anaerobic metabolism?

    <p>To produce ATP quickly for short-duration activities</p> Signup and view all the answers

    What is the term for the process by which glycerol is converted to glucose?

    <p>Gluconeogenesis</p> Signup and view all the answers

    What is the primary source of energy for muscle contractions?

    <p>ATP</p> Signup and view all the answers

    What is the term for the process by which carbohydrates, fats, and proteins are broken down to produce energy?

    <p>Metabolism</p> Signup and view all the answers

    What is the role of acetyl CoA in aerobic metabolism?

    <p>It is the gateway molecule for all energy nutrients</p> Signup and view all the answers

    What is the primary function of the TCA cycle?

    <p>To gather electrons from the carbons in the energy nutrients</p> Signup and view all the answers

    What is the byproduct of the TCA cycle that is used to form new nonessential amino acids?

    <p>Alpha-ketoglutarate</p> Signup and view all the answers

    What is the percentage of ATP generated by the electron transport chain?

    <p>90%</p> Signup and view all the answers

    What is the role of flavoproteins in the electron transport chain?

    <p>They transfer electrons from one complex to another</p> Signup and view all the answers

    What happens to excess kilocalories when you eat too much?

    <p>They are stored as glycogen and adipose tissue</p> Signup and view all the answers

    What is the alternative fuel source used by the body during fasting or limited carbohydrate intake?

    <p>Ketone bodies</p> Signup and view all the answers

    What is the result of a build-up of excess ketone bodies in the blood?

    <p>Ketoacidosis</p> Signup and view all the answers

    What is the primary source of energy for the body during fasting or starvation?

    <p>Fatty acids</p> Signup and view all the answers

    What is the role of the electron transport chain in the final stage of metabolism?

    <p>To transfer electrons from one complex to another</p> Signup and view all the answers

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