Do sulfa drugs work as competitive enzyme inhibitors, noncompetitive inhibitors,

Question

Do sulfa drugs work as competitive enzyme inhibitors, noncompetitive inhibitors, or irreversible inhibitors? (circle one) What are the four fat soluble vitamins? Is the vitamin below a fat soluble vitamin or a water soluble one? Explain how you know. Scurvy is a disease caused by a lack of vitamin C. Hundreds of years ago. doctors thought eating fresh fruits and vegetables could cure scurvy. While this did work, they did not know the underlying cause of the disease. How did a finding such as this impact human thought and behavior? (you will get points based on how well though out an answer you have)

Explanation / Answer

13) Antibacterial sulfonamides act as competitive inhibitors of the enzyme dihydropteroate synthase (DHPS), an enzyme involved in folate synthesis.

14) Vitamins A, D, E and K.

15) Cholecalciferol is a fat soluble vitamin. This property comes from the fact the vitamin structure is that of a lipophilic compound, thus dissolving in fats, oils and lipid. London dispersion forces also play a significant role in why cholecalciferol is soluble in fat.

16) In the past times, eating fresh fruits and vegetables were associated with a healthy life. Seeing that consumption of such food could help curing scurvy (without actually knowing the action mechanism), it swiftly became popular. Nonetheless, scurvy still claimed the lives of seamen until half the 19th century.

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