Protein
Quiz by Zhao
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34 questions
Show answers
- Q1What are proteins primarily made of?SugarsLipidsAmino acidsNucleotides30s
- Q2How many standard amino acids are used by cells to build proteins?2030101530s
- Q3What type of bond joins amino acids in a protein?Hydrogen bondPeptide bondIonic bondCovalent bond30s
- Q4Which structure refers to the unique linear sequence of amino acids in a protein?Quaternary structurePrimary structureSecondary structureTertiary structure30s
- Q5What primarily stabilizes the secondary structure of a protein?Ionic bondsVan der Waals forcesHydrogen bondingDisulfide bridges30s
- Q6What are the two distinct shapes in secondary structure?Alpha and Beta bondsGamma helices and Beta sheetsAlpha and Gamma helicesAlpha helix and Beta pleated sheet30s
- Q7Which structure refers to proteins that consist of more than one polypeptide chain?Secondary structureQuaternary structurePrimary structureTertiary structure30s
- Q8What does AlphaFold predict?Cellular energy levelsGenetic mutations3D structure of proteinsBehavior of amino acids30s
- Q9What type of interaction is disrupted by high temperature?covalent bondspeptide bondsHydrogen bondsDisulfide bonds30s
- Q10What happens to a protein when pH changes?Amino acids lose their chargeHydrogen bonds form30s
- Q11What is the primary method used to test for protein presence in a solution?Iodine testBenedict's testBiuret reactionBiuret test30s
- Q12Which condition does not typically affect protein structure?RadiationTemperatureSalt concentrationlowering protein concentration30s
- Q13What is denaturation of a protein?Formation of new bondsLoss of bonds but no shape changeLoss of function and shapeFormation of new structures30s
- Q14Which force is disrupted by high salt concentrations?Covalent bondsHydrophobic interactionsVan der Waals interactionsIonic interactions30s
- Q15What primarily causes denaturation by alcohol?Van der Waals forcesHydrogen bondsCovalent bondsHydrophobic interactions30s