Organic Molecules and Their Biological Roles Quiz
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Questions and Answers

Which type of compounds are usually classified as organic?

  • Compounds containing only hydrogen
  • Compounds containing carbon and hydrogen (correct)
  • Compounds containing nitrogen and oxygen
  • Compounds containing only carbon
  • What are the four main types of organic compounds found in the cells of the human body?

  • Alcohols, phenols, ethers, and epoxides
  • Alkanes, alkenes, alkynes, and aromatics
  • Alcohols, aldehydes, ketones, and carboxylic acids
  • Carbohydrates, lipids, proteins, and nucleic acids (correct)
  • Which of the following is an example of an inorganic compound?

  • Oxides (correct)
  • Alcohols
  • Alkanes
  • Aldehydes
  • What is the chemical formula of methane?

    <p>CH4</p> Signup and view all the answers

    Where are organic molecules found?

    <p>In all living matter and products of living matter</p> Signup and view all the answers

    What is the structure of organic molecules?

    <p>They generally contain atoms in long chains or rings</p> Signup and view all the answers

    What forms the backbone of organic compounds?

    <p>The number of carbons in an organic molecule</p> Signup and view all the answers

    Which type of organic molecule is involved in energy storage, biological signaling, and is a structural component in cell membranes?

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

    What is the basic functional group found in carbohydrates?

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

    Which organic polymer can be classified as monosaccharides, disaccharides, or polysaccharides?

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

    What is the role of proteins in living organisms?

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

    Which element forms the backbone of organic compounds?

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

    Which type of organic molecule carries genetic information and directs protein synthesis in living organisms?

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

    Which functional group is found in lipids, including fats and oils?

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

    What is a polymer in the context of organic molecules?

    <p>A large molecule made up of repeating subunits</p> Signup and view all the answers

    Study Notes

    Organic Molecules and Their Structure

    • Organic molecules are based on carbon's ability to covalently bond with up to four atoms due to its four valence electrons.
    • There are four types of organic molecules present in living things: Carbohydrates, Lipids, Proteins, and Nucleic acids.
    • Carbohydrates are composed of carbon, hydrogen, and oxygen and are involved in energy storage, structural components, enzymes, and the immune system.
    • Lipids, including fats, oils, and hormones, play a critical role in energy storage, biological signaling, and are structural components in cell membranes.
    • Proteins are composed of amino acids and are involved in various bodily functions, such as digestion, antibody production, and hormone regulation.
    • Nucleic acids, such as DNA and RNA, carry genetic information and direct protein synthesis in living organisms.
    • The structure of organic molecules is based on carbon's ability to form up to four chemical bonds, known as functional groups.
    • Basic functional groups in organic molecules include hydroxyl, aldehyde, ketone, carboxyl, amine, phosphate, and ester.
    • Carbohydrates, lipids, proteins, and nucleic acids contain different basic functional groups, giving them distinct chemical properties.
    • A polymer is a large molecule made up of repeating subunits called monomers, and organic polymers contain carbon in their subunits.
    • Carbohydrates, as organic polymers, can be monosaccharides, disaccharides, or polysaccharides, with glucose being an example of a monosaccharide.
    • Other examples of organic polymers include nucleic acids (such as DNA) and proteins, which form from amino acids.

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    Description

    Test your knowledge of organic molecules and their structure with this quiz. Explore the basic functional groups, diverse roles of carbohydrates, lipids, proteins, and nucleic acids in living organisms, and the concept of organic polymers. Dive into the world of carbon-based compounds and their significance in biological systems.

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