Question

19. The _structure of a protein refers to the linear sequence of amino acids in that protein. 20. Make up an example of the primary structure of a protein in the space below 21. The structure of a protein refers to a regular, recurring arrangement of the amino acid chain. One such arrangement, called the occurs when the amino acid chain forms a spiral or coil. Draw an example of this structure in the space below. 22. Another type of_ _structure is called the This structure consists of parallel strands of polypeptides. What types of bonds hold these sheets together? 23. The_ structure of a protein refers to the specific folding and bending of the primary structure and secondary structure into coils or fibers. It is this structure that gives proteins their biological activity. 24. In the space below, draw a representation of this level of structure. 25. Some proteins have a structure that occurs when two or more peptides come together to form a more complex unit. In the space below draw a representation of a protein that has quaternary structure.

Answer 1

19. The_primarystru _Structure of a protein refers to the linear sequence of amino acids in that protein. 20. Make up an example of the primary structure of a protein in the space be y structure of a protein refers to a regular, recurring arrangement of the amino acid chain. One such arrangement, called the alpha helixoccurs when the ami en occurs when the amino acid chain forms a spiral or coil. Draw an example of this structure in the space below. 22. Another type secondary tructure is called beta pleated sheethis structure consists of parallel strands of polypeptides. What types of bonds hold these sheets together? hydrogen bond 23. The tertiary structure of a protein refers to the specific folding and bending of the primary structure and secondary structure into coils or fibers. It is this structure that gives proteins their biological activity. 24. In the space below, draw a representation of this level of structure. ternary 25. Some proteins have quatenuructure that occurs when two or more peptides come together to form a more complex unit. In the space below draw a representation of a protein that has quaternary structure.

ç (peptide chain) 200) Bpleated I sheet a helix (donain) Fleeeeeeeeee p sheet 1945 49 - 200 us - 1 domain

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