I chose Peptide 2 as part A because of the positive net charge. I need help on P

Question

I chose Peptide 2 as part A because of the positive net charge. I need help on Part B. Thank you!

Your beloved fish Fishy lives in a not saltwater tank. He like his water at a nice pH of 7 (who doesn't?) This means his water should contain an appropriate amount of sodium chloride. In order to ensure the tank does not contain too much chloride (Cl), you add a peptide to bind up some of the chlorine. You have two choices: 4. Peptide 2: MKRTCKSR Which peptide would be better to use and why? a. b. A strong nucleophile is a strongly negatively charged species that can attack partially positive charges. This makes them very reactive and hence somewhat dangerous to your fishtank. Deprotonated alcohols are usually thought of as strong nucleophiles, however sulfur groups behave similarly to oxygen groups. Are you concerned about the peptide you're using performing unwanted nucleophilic reactions in your tank? Why or why not?

Explanation / Answer

b. Nucleophillicity is the measure of rapiditty of molecules with lone pair to take part in nucleophillic substitution reactins.Since orotons have both positive N terminus and negetive C terminus. Peptide may nucleophillic attack on the fishes in fishtank and can denature tge Proteins.

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