Proteins and Amino Acids Overview

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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?

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?

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?

Antiparallel Signup and view all the answers

What type of turn connects the ends of two adjacent segments in an antiparallel beta sheet?

Beta turn Signup and view all the answers

Which amino acid residues are commonly involved in beta turns?

Glycine and Proline Signup and view all the answers

Which level of protein structure refers to the folding domains that are basic units of structure and function?

Tertiary structure Signup and view all the answers

'Oligopeptide' typically consists of how many amino acids?

< 10 amino acids Signup and view all the answers

What type of bond is broken by oxidation with performic acid or reduction by dithiothreitol?

Disulfide bonds Signup and view all the answers

What type of secondary structure describes the spatial arrangement of the main-chain atoms in a segment of polypeptide chain?

Random coil Signup and view all the answers

Proteins and Amino Acids Overview

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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?

Which of the following describes the role of primary structure in proteins?

What is the most common type of secondary structure in proteins?

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?

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?

'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 secondary structure describes the spatial arrangement of the main-chain atoms in a segment of polypeptide chain?

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