Questions from Organic Chemistry


Q: Why are irreversible enzyme inhibitors often called poisons?

Why are irreversible enzyme inhibitors often called poisons?

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Q: As you increase the temperature of an enzyme-catalyzed reaction,

As you increase the temperature of an enzyme-catalyzed reaction, the rate of the reaction initially increases. It then reaches a maximum rate and finally dramatically declines. Keeping in mind that en...

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Q: The addition of phenylthiourea to a preparation of the enzyme polyphenoloxidase completely

The addition of phenylthiourea to a preparation of the enzyme polyphenoloxidase completely inhibits the activity of the enzyme. a. Knowing that phenylthiourea binds all copper ions, what conclusion ca...

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Q: What properties are shared by chymotrypsin, trypsin, and elastase?

What properties are shared by chymotrypsin, trypsin, and elastase?

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Q: Repeat Question 19.95 for the peptide trp-pro-

Repeat Question 19.95 for the peptide trp-pro-gly-tyr. Question 19.95: Draw the complete structural formula for the peptide tyrlys- ala-phe. Show which bond would be broken when this peptide is reac...

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Q: What is the relationship between pepsin and pepsinogen?

What is the relationship between pepsin and pepsinogen?

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Q: Heating is an effective mechanism for killing bacteria on surgical instruments.

Heating is an effective mechanism for killing bacteria on surgical instruments. How does elevated temperature result in cellular death?

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Q: a. Draw the ring structure of the pyrimidines. b

a. Draw the ring structure of the pyrimidines. b. In a nucleotide, which nitrogen atom of pyrimidine rings is bonded to the sugar?

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Q: One of the energy-harvesting steps of the citric acid cycle

One of the energy-harvesting steps of the citric acid cycle results in the production of GTP. What is the structure of the GTP nucleotide?

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Q: List three differences between DNA and RNA.

List three differences between DNA and RNA.

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