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

What is the purpose of creatine phosphate in the body?

<p>To regenerate ATP from ADP (A)</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 (C)</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 (C)</p> Signup and view all the answers

How many kilocalories per gram does alcohol contain?

<p>7 (A)</p> Signup and view all the answers

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

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

Where is alcohol primarily metabolized in the body?

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

What is the result of inborn errors of metabolism?

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

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

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

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

<p>Used when intake is high (A)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

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

What is the primary function of anaerobic metabolism?

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

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

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

What is the primary source of energy for muscle contractions?

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

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

<p>90% (A)</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 (B)</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 (D)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Fatty acids (C)</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 (B)</p> Signup and view all the answers

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