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Protein structure

Quiz by ayman mohamed

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12 questions
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  • Q1
    The stable conformation of the peptide bond is cis conformation
    False
    True
    60s
  • Q2
    Which of the following statements is true about a peptide bond (RCONHR')?
    It is capable of forming a hydrogen bond
    The cis configuration is favoured over the trans configuration
    It is non planar
    60s
  • Q3
    The primary structure of a protein is ......
    only the sequence of amino acids
    functioning protein
    60s
  • Q4
    Which of the following statements is (untrue) about protein secondary structure?
    The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure.
    The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure.
    The alpha helix, beta pleated sheet are examples of protein secondary structure
    60s
  • Q5
    Amino acids are linked together in a protein.
    quaternary structure
    primary structure
    tertiary structure
    secondary structure
    60s
  • Q6
    'Regions of ordered structure within a protein' is ......
    tertiary structure
    quaternary structure
    primary structure
    secondary structure
    60s
  • Q7
    dentify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid serine.
    Question Image
    hydrogen bond
    ionic bond
    van der Waals interactions
    none of the above
    60s
  • Q8
    Identify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid valine.
    Question Image
    hydrogen bond
    none of the above
    van der Waals interactions
    ionic bond
    60s
  • Q9
    Identify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid glutamic acid
    Question Image
    none of the above
    hydrogen bond
    ionic bond
    van der Waals interactions
    60s
  • Q10
    Which of the following statements is (incorrect) regarding transport proteins?
    They serve to carry polar molecules across the hydrophobic cell membrane
    They are required to transport hydrophobic steroids across cell membranes.
    They are present in cell membranes
    They are required to transport amino acids across cell membranes
    60s
  • Q11

    Different protein subunit in a multicomplex protein is 

    Tertiary structure

    Quaternary structure

    Primary structure

    Secondary structure

    60s
  • Q12

    The extension of the database in MOE

    moe

    exe

    mdb

    60s

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