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level: Organic materials: structure and function

Questions and Answers List

level questions: Organic materials: structure and function

QuestionAnswer
Describe the primary structure of proteinsPrimary structure: The linear sequence of amino acids in a protein.
Describe the secondary structure of proteins.Secondary structure: Local folding patterns, including α-helices and β-pleated sheets, stabilized by hydrogen bonding between amino acid residues.
Describe the teritary structure of proteins.Tertiary structure: The three-dimensional folding of a polypeptide chain, resulting from interactions between amino acid side chains.
Describe the quaternary structure of proteins.Quaternary structure: The arrangement and interaction of multiple polypeptide chains to form a functional protein complex
Distinguish between α-glucose and β-glucoseα-glucose having the hydroxyl group below the plane, and β-glucose having it above the plane.
What do monosaccharides contain?Either an aldehyde group (aldose) or a ketone group (ketose) and several -OH groups.
Describe the difference in structure between saturated and unsaturated fatty acidsSaturated fatty acids have no double bonds between carbon atoms in their hydrocarbon chain, whereas unsaturated fatty acids have one or more double bonds, resulting in a bent structure.