Isonicotinic acid hydrazide (INH) is an antibiotic used in the treatment of tuberculosis. It affects the synthesis of
A) mycolic acid.
B) linoleic acid.
C) globular proteins of the cell membrane.
D) DNA transcription.
Answer: A
You might also like to view...
If the original finches that had been blown over to the Galapagos from South America had already been genetically different from the parental population of South American finches, even before adapting to the Galapagos, this would have been an example of
A) genetic drift. B) bottleneck effect. C) founder?s effect. D) all three of these E) both A and C
Which of the following statements about Bacillus anthracis is FALSE?
A. It is primarily a disease of humans. B. It produces endospores. C. It has a capsule. D. It normally dwells in the soil and can survive in the environment for centuries or longer. E. It can be lethal even after treatment because antimicrobial drugs do not inactivate accumulated anthrax toxin.
Prezygotic mechanisms lead to reproductive isolation by preventing the formation of
A. hybrid zygotes. B. somatic cells. C. fertile sperm or pollen cells. D. fertile eggs. E. mating pairs.
The nucleolus is a highly active region of the nucleus that is the site of ribosomal synthesis.
Answer the following statement true (T) or false (F)