Denaturation (biochemistry): Quiz

Question 1: A protein is created by ribosomes that "read" mRNA that is encoded by ________ in the gene and assemble the requisite amino acid combination from the genetic instruction, in a process known as translation.
MethionineMutationGenetic codeFrancis Crick

Question 2: This was important historically, as it led to the notion that all the information needed for proteins to assume their native state was encoded in the primary structure of the protein, and hence in the ________ that codes for the protein.

Question 3: Denaturization in this sense is not used in preparing the industrial chemical ________.
ListerineIsopropyl alcoholEthanolDenatured alcohol

Question 4: The newly created protein strand then undergoes posttranslational modification, in which additional ________ or molecules are added, for example copper, zinc or iron.

Question 5: A classic example of denaturing in proteins comes from ________, which are largely egg albumins in water.
Amino acidEgg yolkEgg (food)Egg white

Question 6: Pouring egg whites into a beaker of ________ will also turn egg whites opaque and solid.
Acetoacetic acidSqualeneAcetoneCholesterol

Question 7: This is in contrast to ________, which are unfolded in their native state, but still functionally active.
Protein structureCircular dichroismProtein nuclear magnetic resonance spectroscopyIntrinsically unstructured proteins

Question 8: Denatured proteins can exhibit a wide range of characteristics, from loss of ________ to communal aggregation.
SolubilitySolventPartition coefficientSolubility equilibrium

Question 9: Agents that break ________ by reduction include:
Disulfide bondPeptide bondMethylationAmino acid

Question 10: ________ 6 - 8 mol/l

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