Functions of Proteins and Nucleic Acids Quiz
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Questions and Answers

What is the main function of water in the body?

  • To store fat in the liver and adipose tissue
  • To help regulate body temperature (correct)
  • To facilitate muscle contractions
  • To provide energy for cellular activities
  • Which statement about electrolytes is true?

  • Electrolytes are important for cellular function (correct)
  • Electrolytes help in storing fat in the body
  • Electrolytes serve as insulation for nerve cells
  • Electrolytes are organic compounds found in cells
  • What percentage of total cell mass does water typically account for?

  • 40%
  • 90%
  • 70% (correct)
  • 50%
  • How does water help deliver oxygen and nutrients in the body?

    <p>By serving as a medium for transporting substances</p> Signup and view all the answers

    Which role does water play in preventing constipation?

    <p>It flushes waste products mainly in urine</p> Signup and view all the answers

    What happens to significant fatty quantities in the body?

    <p>They are stored in the liver and adipose tissue</p> Signup and view all the answers

    Why are electrolytes important for cells?

    <p>To allow cells to function properly</p> Signup and view all the answers

    Which body part does water help lubricate?

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

    What is the main structural difference between monosaccharides and disaccharides?

    <p>The presence of glycosidic linkages</p> Signup and view all the answers

    Which type of carbohydrates are polymeric carbohydrate molecules composed of long chains of monosaccharides?

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

    What is the primary function of triglycerides among lipids?

    <p>Energy storage</p> Signup and view all the answers

    Which group of vitamins cannot be stored in the body and must be regularly consumed to prevent deficiencies?

    <p>Water-soluble vitamins</p> Signup and view all the answers

    What distinguishes fat-soluble vitamins from water-soluble vitamins?

    <p>Water-soluble vitamins can be stored in the body</p> Signup and view all the answers

    Which nutrient serves a crucial role in the structure of cell membranes among lipids?

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

    Why must vitamins be consumed through the diet and cannot be synthesized in adequate quantities by humans?

    <p>Vitamins have unique molecular structures</p> Signup and view all the answers

    Which lipid is crucial for the synthesis of hormones like testosterone and estrogen?

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

    What is the primary function of carbohydrates in the body?

    <p>Energy storage</p> Signup and view all the answers

    Which type of vitamin can be stored in the liver for many years?

    <p>Vitamin B12</p> Signup and view all the answers

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