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Concept explainers
(a)
Interpretation: The validation of the given statement concerning the secondary protein structure has to be stated.
Concept introduction: The arrangement of the portion of protein backbone in space gives the secondary protein structure. There are two types of secondary structure, the alpha helix and the beta pleated. In both alpha helix and beta pleated, interactions that exist are hydrogen bonding.
(b)
Interpretation: The validation of the given statement concerning the secondary protein structure has to be stated.
Concept introduction: The arrangement of the portion of protein backbone in space gives the secondary protein structure. There are two types of secondary structure, the alpha helix and the beta pleated. In both alpha helix and beta pleated, interactions that exist are hydrogen bonding.
(c)
Interpretation: The validation of the given statement concerning the secondary protein structure has to be stated.
Concept introduction: The arrangement of the portion of protein backbone in space gives the secondary protein structure. There are two types of secondary structure, the alpha helix and the beta pleated. In both alpha helix and beta pleated, interactions that exist are hydrogen bonding.
(d)
Interpretation: The validation of the given statement concerning the secondary protein structure has to be stated.
Concept introduction: The arrangement of the portion of protein backbone in space gives the secondary protein structure. There are two types of secondary structure, the alpha helix and the beta pleated. In both alpha helix and beta pleated, interactions that exist are hydrogen bonding.
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Chapter 9 Solutions
Organic And Biological Chemistry
- What element is always present in proteins that is seldom present in carbohydrates and lipids?arrow_forwardHow does secondary protein structure differ from tertiary protein structure?arrow_forwardIn a pleated sheet secondary structure for a protein a. describe the general shape of the protein backbone b. describe the general locations for the amino acid R groupsarrow_forward
- Once cooked, egg whites remain in a solid form. However, egg whites that are beaten to form meringue will partially change back to a jellylike form if allowed to stand for a while. Explain these behaviors using the concept of reversible protein denaturation.arrow_forwardApproximately how many different proteins are present in a typical human cell?arrow_forwardWhich of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.arrow_forward
- What percent of a cells overall mass is accounted for by proteins?arrow_forwardWhat functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?arrow_forwardWhich is NOT a characteristic of proteins? a. They contain genetic information. b. They can act as hormones. c. They can catalyze chemical reactions. d. They act in cell membrane trafficking.arrow_forward
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