Biology Chapter: Lipids and Vitamins
24 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of cholesterol in the body?

  • Acts as a precursor for steroid hormones (correct)
  • Empowers immune response
  • Regulates sleep patterns
  • Provides structural support to cells
  • Which vitamin is essential for normal bone growth and function?

  • Vitamin E
  • Vitamin C
  • Vitamin D (correct)
  • Vitamin A
  • Where are phospholipids predominantly found in the body?

  • Skeletal muscles
  • Bloodstream
  • Cell membranes (correct)
  • Fat deposits
  • What role do corticosteroids, specifically glucocorticoids, play in the body?

    <p>Help regulate salt and water balance</p> Signup and view all the answers

    What is the main function of neurotransmitters derived from prostaglandins?

    <p>Regulate blood pressure</p> Signup and view all the answers

    Which of the following vitamins is known for its antioxidant properties?

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

    What structural component differentiates one amino acid from another?

    <p>R (side chain) group</p> Signup and view all the answers

    What is the core function of lipoproteins in the bloodstream?

    <p>Transport fatty acids and cholesterol</p> Signup and view all the answers

    What is the primary structure of proteins defined by?

    <p>The sequence and location of amino acids</p> Signup and view all the answers

    What type of bond is primarily responsible for maintaining the secondary structure of proteins?

    <p>Hydrogen bonds</p> Signup and view all the answers

    Which of the following proteins are classified as fibrous proteins?

    <p>Collagen and keratin</p> Signup and view all the answers

    What effect does an acidic pH have on hemoglobin's function?

    <p>Leads to loss of function</p> Signup and view all the answers

    What type of proteins are known to recognize and neutralize foreign substances in the body?

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

    What is the primary distinguishing feature of globular proteins?

    <p>They are compact and water-soluble</p> Signup and view all the answers

    What component of DNA distinguishes it from RNA?

    <p>The sugar present in the nucleotide</p> Signup and view all the answers

    What describes a primary function of enzymes?

    <p>Accelerating chemical reactions by lowering activation energy</p> Signup and view all the answers

    Which statement correctly describes dehydration synthesis?

    <p>It results in the loss of a water molecule to form bonds between monomers.</p> Signup and view all the answers

    What is the primary function of glycogen in human cells?

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

    Which of the following statements about phospholipids is true?

    <p>They contain two fatty acids and a phosphate group.</p> Signup and view all the answers

    Which type of lipid primarily serves as long-term energy storage?

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

    What distinguishes saturated fatty acids from unsaturated fatty acids?

    <p>Saturated fatty acids contain no double bonds.</p> Signup and view all the answers

    Which of the following carbohydrates is a disaccharide?

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

    Which carbohydrate serves as a structural component in fungi?

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

    What is the main role of omega-3 fatty acids in health?

    <p>They decrease the risk of heart disease.</p> Signup and view all the answers

    More Like This

    The Lipid Quiz
    10 questions

    The Lipid Quiz

    PremierTourmaline avatar
    PremierTourmaline
    Derived Lipids
    10 questions

    Derived Lipids

    RewardingOcean avatar
    RewardingOcean
    Lipids and Vitamins Overview
    5 questions
    Use Quizgecko on...
    Browser
    Browser