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Protein structure
Quiz by ayman mohamed
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12 questions
Show answers
- Q1The stable conformation of the peptide bond is cis conformationFalseTrue60s
- Q2Which of the following statements is true about a peptide bond (RCONHR')?It is capable of forming a hydrogen bondThe cis configuration is favoured over the trans configurationIt is non planar60s
- Q3The primary structure of a protein is ......only the sequence of amino acidsfunctioning protein60s
- Q4Which 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 structure60s
- Q5Amino acids are linked together in a protein.quaternary structureprimary structuretertiary structuresecondary structure60s
- Q6'Regions of ordered structure within a protein' is ......tertiary structurequaternary structureprimary structuresecondary structure60s
- Q7dentify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid serine.hydrogen bondionic bondvan der Waals interactionsnone of the above60s
- Q8Identify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid valine.hydrogen bondnone of the abovevan der Waals interactionsionic bond60s
- Q9Identify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid glutamic acidnone of the abovehydrogen bondionic bondvan der Waals interactions60s
- Q10Which of the following statements is (incorrect) regarding transport proteins?They serve to carry polar molecules across the hydrophobic cell membraneThey are required to transport hydrophobic steroids across cell membranes.They are present in cell membranesThey are required to transport amino acids across cell membranes60s
- 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
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mdb
60s