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Questions and Answers
What type of bond is formed by dehydration from the carboxyl group of one amino acid and the amino group of another amino acid?
What type of bond is formed by dehydration from the carboxyl group of one amino acid and the amino group of another amino acid?
- Peptide bond (correct)
- Ionic bond
- Ester bond
- Glycosidic bond
Which of the following describes the role of primary structure in proteins?
Which of the following describes the role of primary structure in proteins?
- Determines the spatial arrangement of the main-chain atoms
- Affects the folding domains in polypeptides
- Forms secondary structures like alpha helices
- Conveys the function of a protein (correct)
What is the most common type of secondary structure in proteins?
What is the most common type of secondary structure in proteins?
- Random coil
- Alpha helix (correct)
- Beta sheet
- Beta turn
In which type of beta-conformation do hydrogen bonds form between backbone atoms of adjacent segments?
In which type of beta-conformation do hydrogen bonds form between backbone atoms of adjacent segments?
What type of turn connects the ends of two adjacent segments in an antiparallel beta sheet?
What type of turn connects the ends of two adjacent segments in an antiparallel beta sheet?
Which amino acid residues are commonly involved in beta turns?
Which amino acid residues are commonly involved in beta turns?
Which level of protein structure refers to the folding domains that are basic units of structure and function?
Which level of protein structure refers to the folding domains that are basic units of structure and function?
'Oligopeptide' typically consists of how many amino acids?
'Oligopeptide' typically consists of how many amino acids?
What type of bond is broken by oxidation with performic acid or reduction by dithiothreitol?
What type of bond is broken by oxidation with performic acid or reduction by dithiothreitol?
What type of secondary structure describes the spatial arrangement of the main-chain atoms in a segment of polypeptide chain?
What type of secondary structure describes the spatial arrangement of the main-chain atoms in a segment of polypeptide chain?
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