Chemistry: Biomolecules and Carbon Bonds
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Questions and Answers

What type of bond does carbon form by sharing its four electrons with other atoms?

  • Polar covalent bond
  • Ionic bond
  • Hydrogen bond
  • Covalent bond (correct)
  • Which atoms are common in biomolecules besides carbon?

  • Oxygen and nitrogen (correct)
  • Helium and neon
  • Sodium and chlorine
  • Silicon and phosphorus
  • What are polymers in the context of biomolecules?

  • Molecules consisting of repeated subunits (correct)
  • Molecules with complex structures
  • Molecules with a single unit
  • Simple sugars
  • Which group can glucose be classified into?

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

    What is the most common type of biomolecule?

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

    What enables carbon-containing molecules to be large and complex?

    <p>The ability to share four electrons and form covalent bonds with other carbon atoms</p> Signup and view all the answers

    What is the general formula for fructose and galactose?

    <p>C6H12O6</p> Signup and view all the answers

    Which monosaccharides are important components of nucleotides?

    <p>Ribose and deoxyribose</p> Signup and view all the answers

    What is the common name for sucrose?

    <p>Table sugar</p> Signup and view all the answers

    Which polysaccharide is found in animal cells and used for storing energy?

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

    What is the main reason for the body to store energy in the form of glycogen rather than monosaccharides?

    <p>To prevent cells from swelling and bursting due to osmotic force</p> Signup and view all the answers

    Which polysaccharide is found in plants and consumed by humans for energy?

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

    What happens when monosaccharides are linked together to form disaccharides and polysaccharides?

    <p>Condensation reaction occurs, producing water</p> Signup and view all the answers

    What type of reaction occurs when disaccharides and polysaccharides are broken down to their monosaccharide subunits?

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

    What is another name for cellulose, a polysaccharide found in plants?

    <p>Dietary fiber</p> Signup and view all the answers

    What is the role of polysaccharides in addition to storing energy?

    <p>Important components of cell membranes</p> Signup and view all the answers

    What type of bond does carbon form by sharing its four electrons with other atoms?

    <p>Covalent bond</p> Signup and view all the answers

    Which type of biomolecule consists of repeated subunits and polymers of amino acids?

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

    What is the most common monosaccharide that serves as an important source of energy for cells?

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

    Which type of bond enables carbon-containing molecules to be large and complex?

    <p>Covalent bond</p> Signup and view all the answers

    What is the general formula for glucose, the most common monosaccharide?

    <p>$C_6H_{12}O_6$</p> Signup and view all the answers

    Which group can glucose be classified into based on its chemical structure?

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

    Which type of carbohydrates are formed by the covalent bonding of several monosaccharides?

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

    What is the general formula for fructose and galactose?

    <p>$C6H12O6$</p> Signup and view all the answers

    Which carbohydrate is known as dietary fiber and is found in plants?

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

    What type of reaction occurs when monosaccharides are linked together to form disaccharides and polysaccharides?

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

    Which molecule is composed of a glucose subunit and a fructose subunit joined together?

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

    What is the common name for lactose?

    <p>Milk sugar</p> Signup and view all the answers

    $C6H9O6$ + $C6H12O6$ -> ??

    <p>$C12H22O11$</p> Signup and view all the answers

    What happens when disaccharides and polysaccharides are broken down to their monosaccharide subunits?

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

    Which type of carbohydrates exerts an osmotic force that could draw water into cells if stored in its monosaccharide form?

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

    What is the polymer of glucose subunits found in animal cells?

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

    What enables carbon-containing molecules to be large and complex?

    <p>Carbon's ability to form four covalent bonds with other atoms</p> Signup and view all the answers

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