Human Body Molecules Quiz
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Questions and Answers

What is the C:H:O ratio in carbohydrates?

  • 2:2:1
  • 1:1:1
  • 1:2:1 (correct)
  • 2:1:1
  • Which type of sugar is most important in the body?

  • Hexose (correct)
  • Polysaccharide
  • Disaccharide
  • Pentose
  • What is the main function of phospholipids?

  • Energy storage
  • Building cell membrane (correct)
  • Providing stored energy
  • Insulating body organs
  • In which form are carbohydrates stored by plants?

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

    What is the main location of triglycerides in the body?

    <p>Beneath the skin</p> Signup and view all the answers

    Which type of organic molecule is the most efficient and compact form of energy storage in the body?

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

    What is the main function of phospholipids in the body?

    <p>Cell membrane building material</p> Signup and view all the answers

    Which type of lipid is mainly found beneath the skin in the body?

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

    What is the main storage carbohydrate formed by plants?

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

    Which organic molecule contains 2 fatty acid chains with a phosphorous-containing group and is a chief material for building cell membranes?

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

    What is the C:H:O ratio in carbohydrates?

    <p>1:2:1</p> Signup and view all the answers

    Which type of sugar is most important in the body?

    <p>Hexose (6 carbon) sugar</p> Signup and view all the answers

    What is the main function of phospholipids in the body?

    <p>Building cell membranes</p> Signup and view all the answers

    In which form are carbohydrates stored by plants?

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

    Which type of lipid is mainly found beneath the skin in the body?

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

    What type of organic molecule is the most efficient and compact form of energy storage in the body?

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

    Which organelle is involved in the synthesis of steroid hormones and the detoxification of drugs?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

    What is the fundamental unit of chromatin that consists of 8 histones connected with DNA?

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

    Which type of organic molecule contains 20 common types and has long chains with peptide bonds?

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

    What are the semiflexible strands made of actin that are involved in cell motility or changes in cell shape?

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

    Which organelle contains digestive enzymes and is capable of digesting almost all kinds of biological molecules?

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

    What is the basic repeat unit of a DNA strand, consisting of deoxyribose, a base, and a phosphate group?

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

    Which organelle acts as a microtubule organizing center and contains paired centrioles oriented at right angles to each other?

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

    What type of sugar is most important in the body and forms the fundamental unit of carbohydrates?

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

    Which type of lipid is mainly found beneath the skin in the body and serves as an insulator and energy reservoir?

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

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