Proteins and Amino Acids Video Lessons

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Problem: Which of the following statements about peptide bonds are true? (a) A tripeptide contains three amino acid residues. (b) Peptide bonds are amide linkages. (c) A tetrapeptide contains five amino acid residues. (d) Peptides are polymers of proteins. (e) Peptide bond formation is a hydrolysis reaction.

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(a) A tripeptide contains three amino acid residues. (True, tri- prefix means 3 residues are present)

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Problem Details

Which of the following statements about peptide bonds are true? 

(a) A tripeptide contains three amino acid residues. 

(b) Peptide bonds are amide linkages. 

(c) A tetrapeptide contains five amino acid residues. 

(d) Peptides are polymers of proteins. 

(e) Peptide bond formation is a hydrolysis reaction.

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