Biochemistry Foundations: Hemoglobin and Functional Groups
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Questions and Answers

What percentage of the hemoglobin molecule's mass is composed of iron ions?

  • 0.03%
  • 30%
  • 0.3% (correct)
  • 3%

    • Which of the following functional groups is NOT commonly found in biomolecules?

  • Sulfhydryl
  • Hydroxyl
  • Amino
  • Phospholipid (correct)

    • What is the primary characteristic that determines the physical-chemical properties of a biomolecule?

  • Chemistry of its functional groups and their disposition (correct)
  • Molecular weight
  • Presence of carbon atoms
  • Number of functional groups

    • What is the common element that comprises the foundation of biomolecules?

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

    Which of the following is an example of a polyfunctional biomolecule?

    <p>Acetyl-CoA</p> Signup and view all the answers

    What are the four major classes of biomolecules essential for all living things?

    <p>Carbohydrates, lipids, proteins, and nucleic acids</p> Signup and view all the answers

    What is a characteristic of proteins?

    <p>Defined number of monomers per chain</p> Signup and view all the answers

    What is the main component of polysaccharides?

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

    What is the definition of lipids?

    <p>Organic molecules soluble in chloroform</p> Signup and view all the answers

    What is a characteristic of amphiphilic lipids?

    <p>Hydrophilic parts and lipophilic parts are linked</p> Signup and view all the answers

    What is the composition of nucleic acids?

    <p>Polymers of nucleotides</p> Signup and view all the answers

    Why are nucleic acids important?

    <p>For the transmission of genetic information</p> Signup and view all the answers

    What is the metabolome composed of?

    <p>Small organic molecules</p> Signup and view all the answers

    What is the typical molecular weight range of compounds that are polymerized to form macromolecules?

    <p>500 or less Da</p> Signup and view all the answers

    What is the term for the process of forming macromolecules from smaller compounds?

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

    What is the term for the bond that links amino acids together in a polypeptide chain?

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

    What is the term for the terminal end of a polypeptide chain?

    <p>N-terminal</p> Signup and view all the answers

    What is the term for complexes formed by the assembly of macromolecules?

    <p>Supramolecular complexes</p> Signup and view all the answers

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