correct or incorrect. CORRECT INCORRECT Proteins in a primary structure consist of a simple polypeptide chain. Interactions between the R groups in amino acids form tertiary structure. Secondary structures are formed by multiple polypeptide chains The two types of secondary structures are the alpha and beta pleated sheets
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- Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternaryDescribe the two types of secondary structure apolypeptide can attain. Which proteins can achievequaternary structure? Which protein structure(s) are alteredby denaturation?There are four levels of protein structures. Name those four levels and briefly describe them
- Among the many different biological functions of proteins, identify and describe two (2) general functions. Explain how theprotein structure relates to these functions. Cite a particular protein that exhibits each function you have described and give the unique features of its primary, secondary, tertiary, and quaternary (if applicable) structures.Which level(s) of protein structure result(s) from non-covalent interactions involving both backbone groups and side chains? (Select all that apply!) a) Primary b) Secondary c) Tertiary d) QuaternaryPredict the protein 3° structure of the following protein sequence. Provide detail from 2° structure principles Nterm – SLDVTFSPGAEITFKWNPGSFNSLKDTIRQVTDK – Cterm
- What level of protein structure is determined by the following:(a) Peptide bonds between amino acids?(b) Hydrogen bonds between backbone carbonyl oxygen atoms and hydrogen atoms attached to backbone nitrogen atoms?(c) R group interactions that may involve Van der Waalsforces, ionic interactions, or hydrogen bonds?Indicate the level(s) of protein structure to which each of thefollowing contributes:a. amino acid sequenceb. b-pleated sheetc. hydrogen bondd. disulfide bondAquaporins are proteins embedded in the plasmamembrane that allow water molecules to move betweenthe extracellular matrix and the intracellular space.Based on its function and location, describe the keyfeatures of the protein’s shape and the chemicalcharacteristics of its amino acids.
- Protein Structure Describe the four levels of protein structure: Primary, secondary, tertiary, and quarternary.Indicate the level(s) of protein structure to which each of the following contributes: a. amino acid sequence b. β-pleated sheet c. hydrogen bond d. disulfide bondWould you expect a carboxylic acid group within the waterfree interior of a protein to have a higher or lower Kathan itwould have if it occurred on the protein’s surface, where itis hydrated?