Biology Chapter on Carbohydrates and Lipids
23 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

Which of the following is a hexose?

  • Ribulose
  • Glucose (correct)
  • Galactose
  • Ribose

    • Fructose is derived from the disaccharide lactose.

    False

    What is the main component of the exoskeleton of arthropods?

    Chitin

    The disaccharide _________ is formed from one molecule of glucose and one molecule of galactose.

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

    Match the following carbohydrates with their descriptions:

    <p>Starch = Formed in granules; energy store in plants Glycogen = Energy reserve carbohydrate in animals Cellulose = Most abundant carbohydrate in plants Pectin = Found in plant cell walls</p> Signup and view all the answers

    Which type of lipid is primarily known for serving as a source of energy in organisms?

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

    All fats are solid at room temperature.

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

    What are the main components of phospholipids?

    <p>Glycerol, two fatty acids, and a phosphate group</p> Signup and view all the answers

    Examples of lipids include triglycerides, phospholipids, and __________.

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

    Match each type of lipid with its function:

    <p>Waxes = Act as structural components Triglycerides = Energy storage Steroids = Hormonal functions Phospholipids = Form cell membranes</p> Signup and view all the answers

    What is the primary structural role of cholesterol-steroids?

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

    Steroid hormones in vertebrates include only testosterone and progesterone.

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

    Name one type of higher molecular weight compounds found in waxes.

    <p>Higher alcohols or fatty acids</p> Signup and view all the answers

    ___ hormones are produced by the adrenal glands and include cortisone.

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

    Match the following substances to their descriptions:

    <p>Cholesterol = Plays a structural role Progesterone = A sex hormone Cortisone = Adrenal gland hormone Waxes = Mix of higher alcohols and fatty acids</p> Signup and view all the answers

    What is the primary element that all organic compounds contain?

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

    Proteins are composed of nucleotides linked together by peptide bonds.

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

    What are the three main types of biomolecules?

    <p>Carbohydrates, Lipids, Proteins, Nucleic Acids</p> Signup and view all the answers

    The ratio of carbon, hydrogen, and oxygen in many carbohydrates is C : H : O = __ : __ : __.

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

    Match the following types of biomolecules with their functions:

    <p>Proteins = Provide structure and support Carbohydrates = Source of energy Nucleic Acids = Store and transmit genetic information Lipids = Energy storage and cell membrane structure</p> Signup and view all the answers

    Which type of bond links nucleotides in nucleic acids?

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

    Monomers are larger molecules formed from repetitive linking of smaller units.

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

    What is the role of sugars in cellular functions?

    <p>Provide energy and serve as building blocks</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser