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What Type of Chemical Is Most Effective in Removing the Build-Up

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What type of chemical is most effective in removing the build-up of "lime" that is often found in toilet bowls?


Definitions:

Bradykinin

A peptide that causes blood vessels to dilate (enlarge), resulting in a drop in blood pressure and increased pain sensitivity.

Nonapeptide

A peptide consisting of nine amino acid residues.

Edman Degradation

A method of sequencing amino acids in a peptide by stepwise removal of one amino acid at a time from the amino end of the peptide.

Benzyl Chloroformate

An organic compound used as a reagent in the synthesis of peptides, characterized by the presence of a benzyl group attached to chloroformate.

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