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A new drug is developed which selectively cleaves covalent bonds between two sulfur atoms of non-adjacent amino acids in a polypeptide chain. Which level of protein structure in affected molecules would be most directly affected by the drug?
a. Secondary structure
b. Primary structure
c. Tertiary structure
d. Quaternary syructure
Please indicate the atoms involved in a polypeptide backbone?
Please explain allosteric regulation of a protein?
Protein structure is determined solely by a protein’s amino acid sequence. Should a genetically engineered protein in which the original order of all amino acids is reversed have the same structure as the original protein?
Which categories of amino acid would you expect to find on the surface of a soluble protein, and which would you expect to find in the interior? What distribution of amino acids would you expect to find in a protein embedded in a lipid bilayer?
What are the amphipathic molecules? Given an example to amphipathic molecules in cells?
What are the forces that determine the folding of a macromolecule into a unique shape?
A nucleotide of DNA may contain ________.
a. ribose, uracil, and a phosphate group
b. deoxyribose, uracil, and a phosphate group
c. deoxyribose, thymine, and a phosphate group
d. ribose, thymine, and a phosphate group
During the breakdown of polymers, which of the following reactions takes place?
a. hydrolysis
b. dehydration
c. condensation
d. covalent bondÂ
Which categories of amino acid would you expect to find on the surface of a soluble protein, and which would you expect to find in the interior?
