Protein Classification and Cell Molecules Quiz
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Questions and Answers

Which type of bond is characterized by the sharing of electron pairs between atoms?

  • Ionic bond
  • Hydrogen bond
  • Metallic bond
  • Covalent bond (correct)
  • What is the energy required to completely separate a mole of a solid ionic compound into its gaseous ions called?

  • Ionic energy
  • Lattice energy (correct)
  • Electrostatic energy
  • Bonding energy
  • Which factor increases the lattice energy of an ionic compound?

  • Increasing distance between the ions
  • Increasing size of ions
  • Increasing charge on the ions (correct)
  • Decreasing charge on the ions
  • In a covalent bond, which atom tends to pull harder on the shared electrons?

    <p>The more electronegative atom</p> Signup and view all the answers

    Who developed the concept of electronegativity, which explains the unequal sharing of electrons in a covalent bond?

    <p>Linus Pauling</p> Signup and view all the answers

    What is the function of haemoglobin?

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

    Which proteins are involved in cell communication?

    <p>Insulin and neurotransmitters</p> Signup and view all the answers

    What type of macromolecule is haemoglobin?

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

    Which category do enzymes fall under based on their function?

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

    What is the primary function of keratin?

    <p>Structural support</p> Signup and view all the answers

    What is the primary function of fibrinogen?

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

    Which macromolecule complex is formed by lipids and proteins in a cell?

    <p>Lipid-protein complex</p> Signup and view all the answers

    What is the primary function of keratin in the cell?

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

    Which force is responsible for maintaining the structural organization of proteins?

    <p>Strong force</p> Signup and view all the answers

    What type of macromolecule is haemoglobin?

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

    Which molecule is considered as the molecular component of the cell?

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

    What is the function of electronegativity in a covalent bond?

    <p>Influencing the unequal sharing of electrons</p> Signup and view all the answers

    Which factor increases the lattice energy of an ionic compound?

    <p>Increasing charge on the ions</p> Signup and view all the answers

    What type of bond is characterized by the sharing of electron pairs between atoms?

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

    What is the primary function of haemoglobin?

    <p>Oxygen transport</p> Signup and view all the answers

    In ionic bonding, what is the role of lattice energy?

    <p>To completely separate a solid ionic compound into its gaseous ions</p> Signup and view all the answers

    What happens when nonmetals form covalent bonds?

    <p>They share electrons with each other</p> Signup and view all the answers

    Which type of macromolecule does haemoglobin belong to?

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

    What is significant about the electrostatic interactions in covalent bonds?

    <p>They influence the unequal sharing of electrons</p> Signup and view all the answers

    What role does electronegativity play in determining the strength of a covalent bond?

    <p>It determines how strongly an atom attracts shared electrons</p> Signup and view all the answers

    What are the constituents that make up haemoglobin?

    <p>Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur/Phosphorus, Calcium, Potassium, Sodium, Magnesium</p> Signup and view all the answers

    What is the energy required to completely separate a mole of a solid ionic compound into its gaseous ions called?

    <p>Lattice energy</p> Signup and view all the answers

    What type of bond is characterized by the sharing of electron pairs between atoms?

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

    Who developed the concept of electronegativity, which explains the unequal sharing of electrons in a covalent bond?

    <p>Linus Pauling</p> Signup and view all the answers

    Which factor increases the lattice energy of an ionic compound?

    <p>Increasing charge on the ions</p> Signup and view all the answers

    In a covalent bond, which atom tends to pull harder on the shared electrons?

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

    What happens when nonmetals get together in covalent bonding?

    <p>Atoms share electrons</p> Signup and view all the answers

    Which molecule is considered as the molecular component of the cell?

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

    What is small and large molecules primarily related to in biomolecules?

    <p>Molecular weight</p> Signup and view all the answers

    Which proteins are involved in cell communication?

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

    What is the primary function of keratin in the cell?

    <p>Structural protein</p> Signup and view all the answers

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