Questions from Organic Chemistry

Q: Draw the Lewis structure of NO2-.

Draw the Lewis structure of NO2-.

Q: Explain why a-keratins that have many disulfide bonds between adjacent

Explain why a-keratins that have many disulfide bonds between adjacent polypeptide chains are much less elastic and much harder than those without disulfide bonds.

Q: Define the optimum pH for enzyme activity.

Define the optimum pH for enzyme activity.

Q: An increase in temperature will increase the rate of a reaction if

An increase in temperature will increase the rate of a reaction if a nonenzymatic catalyst is used; however, an increase in temperature will eventually decrease the rate of a reaction when an enzyme c...

Q: Describe the structure of myoglobin.

Describe the structure of myoglobin.

Q: Why do extremes of pH inactivate enzymes?

Why do extremes of pH inactivate enzymes?

Q: How do sickled red blood cells hinder circulation?

How do sickled red blood cells hinder circulation?

Q: What is the transition state in an enzyme-catalyzed reaction?

What is the transition state in an enzyme-catalyzed reaction?

Q: Three proenzymes that are involved in digestion of proteins in the stomach

Three proenzymes that are involved in digestion of proteins in the stomach and intestines are pepsinogen, chymotrypsinogen, and trypsinogen. What is the advantage of producing these enzymes as inactiv...

Q: Fibrinogen and prothrombin are both involved in formation of blood clots when

Fibrinogen and prothrombin are both involved in formation of blood clots when they are converted into proteolytic enzymes. However, they are normally found in the blood in an inactive form. Develop an...