Concept explainers
Interpretation:
Peptide bond in ball and stick model below has to be determined. Also, name of amino acids and name of dipeptide in three-letter abbreviation has to be determined.
Concept Introduction:
Amino acids are the
Peptides are compounds that consist of amide linkage and formed when carboxylic acid group of one unit of amino acid reacts with amino group of another amino acid. The amide linkage is also therefore known as peptide linkage. Peptide linkage contains two terminals. One is
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Principles of General, Organic, Biological Chemistry
- 22-30 (a) Use the three-letter abbreviations to write a representation of the following tripeptide: (b) Which amino acid is at the C-terminal end, and which is at the N-terminal end?arrow_forwardHow many different primary structures are possible for a four-amino-acid segment of a protein if a. three of the amino acids present must be identical b. the four amino acids must be differentarrow_forwardComplete degradation of a protein into individual amino acids involves choose all that are correct: a. Removal of a water molecule from between two amino acids b. Addition of a water molecule between two amino acids c. A hydrolysis reaction d. The breaking of peptide linkagearrow_forward
- How many different primary structures are possible for a four-amino-acid segment of a protein if the segment contains a. two glycine units and two alanine units b. two glycine units, one alanine unit, and one valine unitarrow_forwardWhat is signified when an amino acid is designated as an -amino acid?arrow_forwardIndicate whether each of the following statements about proteins is true or false. a. Two or more peptide chains are always present in a multimeric protein. b. A simple protein contains only one type of amino acid. c. A conjugated protein can also be a monomeric protein. d. The prosthetic group(s) present in a glycoprotein are carbohydrate groups.arrow_forward
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