When a single polypeptide denatures it: A) loses its primary structure. B) loses

Question

When a single polypeptide denatures it: A) loses its primary structure. B) loses its quaternary structure C) loses its secondary and tertiary structure D) hydrolyzes into amino acids E) There is more than one correct choicec above. Support for the fluid mosaic model of membrane structure comes from: A) The movement of proteins within a hybrid cell. B) The length of a phospholipid tail. C) The amphipathic behavior of membrane proteins. D) The bulky structure of cholesterol E) All of the above. Nucleotide monomers form polynucleotides by: A) Hydrogen bonds between complementary nitrogenous base pairs. B) Covalent bonds between the sugar of one nucleotide and the phosphate of the next nucleotide. C) Ester linkages between the carboxyl group of one nucleotide and the hydroxyl group on the deoxyribose C2 position of the next D) Disulfide bridges between cysteine amino acids. E) There is more than one correct choice above. All of the following are true regarding th

Explanation / Answer

1) Denaturation of proteins is the process in which the proteins will lose their quarternary, tertiary and secondary structures. Peptide bonds between the aminoacids will remain intact and therefore, the primary structure of proteins will remain unaltered and aminoacids are not produced. Since the function of proteins depend on its quarternary/tertiary structure, denaturation will result in loss of protein function.

So, when a single polypeptide denatures it loses its quarternary structure (option B) and loses its tertiary and secondary structure (option C). Therefore, the correct answer for this question is option (E) there is more than one correct choice above.

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