A drug binds to the active site of an enzyme. If it is bound to the active site of the enzyme, it prevents substrate binding. This drug would be considered a
A. noncompetitive inhibitor.
B. competitive inhibitor.
C. allosteric activator.
D. allosteric inhibitor.
Answer: B
You might also like to view...
An autosomal dominant trait
A) passes from mother to son only. B) skips generations. C) can be carried by unaffected individuals. D) can affect either sex.
Which of the following is false about reproductive
system cancers in males? a. Prostate cancer is a leading cause of death in men. b. There are 7,000 cases of testicular cancer diagnosed each year in the Unites States. c. Some individuals who have prostate cancer are unaware of their condition. d. Prostate cancer and testicular cancer produce painful symptoms in their early stages. e. Early treatment of testicular cancer has a high success rate.
In some ciliate protozoa, the codons UAA and UAG encode glutamate, rather than acting as STOP codons. How does this compare to other species?
A. This is unusual - almost all species share the same "universal" genetic code. B. This is not unusual - while most species have a similar genetic code, there are often variations for some of the amino acids. C. This is typical - every species has its own unique genetic code.
Aerosols may be involved in ________ transmission of pathogens
A) droplet B) direct C) vector D) fecal-oral E) waterborne