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Protein

Quiz by Zhao

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34 questions
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  • Q1
    What are proteins primarily made of?
    Sugars
    Lipids
    Amino acids
    Nucleotides
    30s
  • Q2
    How many standard amino acids are used by cells to build proteins?
    20
    30
    10
    15
    30s
  • Q3
    What type of bond joins amino acids in a protein?
    Hydrogen bond
    Peptide bond
    Ionic bond
    Covalent bond
    30s
  • Q4
    Which structure refers to the unique linear sequence of amino acids in a protein?
    Quaternary structure
    Primary structure
    Secondary structure
    Tertiary structure
    30s
  • Q5
    What primarily stabilizes the secondary structure of a protein?
    Ionic bonds
    Van der Waals forces
    Hydrogen bonding
    Disulfide bridges
    30s
  • Q6
    What are the two distinct shapes in secondary structure?
    Alpha and Beta bonds
    Gamma helices and Beta sheets
    Alpha and Gamma helices
    Alpha helix and Beta pleated sheet
    30s
  • Q7
    Which structure refers to proteins that consist of more than one polypeptide chain?
    Secondary structure
    Quaternary structure
    Primary structure
    Tertiary structure
    30s
  • Q8
    What does AlphaFold predict?
    Cellular energy levels
    Genetic mutations
    3D structure of proteins
    Behavior of amino acids
    30s
  • Q9
    What type of interaction is disrupted by high temperature?
    covalent  bonds
    peptide bonds
    Hydrogen bonds
    Disulfide bonds
    30s
  • Q10
    What happens to a protein when pH changes?
    Amino acids lose their charge
    Hydrogen bonds form
    30s
  • Q11
    What is the primary method used to test for protein presence in a solution?
    Iodine test
    Benedict's test
    Biuret reaction
    Biuret test
    30s
  • Q12
    Which condition does not typically affect protein structure?
    Radiation
    Temperature
    Salt concentration
    lowering protein concentration
    30s
  • Q13
    What is denaturation of a protein?
    Formation of new bonds
    Loss of bonds but no shape change
    Loss of function and shape
    Formation of new structures
    30s
  • Q14
    Which force is disrupted by high salt concentrations?
    Covalent bonds
    Hydrophobic interactions
    Van der Waals interactions
    Ionic interactions
    30s
  • Q15
    What primarily causes denaturation by alcohol?
    Van der Waals forces
    Hydrogen bonds
    Covalent bonds
    Hydrophobic interactions
    30s

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