Many pharmaceutical drugs specifically inhibit transcription in Bacteria but not Archaea or Eukarya. Why would drugs that inhibit transcription only affect Bacteria and not Archaea even though they are both prokaryotes?
A) Archaea and Eukarya have very similar ribosomes that are different than bacterial ribosomes.
B) Bacteria lack a nucleus.
C) Archaea lack operons.
D) Archaea and Eukarya have very similar RNA polymerases that are different than bacterial RNA polymerases.
Answer: D
You might also like to view...
Compare and contrast receptor recognition between a hydrophobic and hydrophilic hormone
What will be an ideal response?
To test the hydrogen-bond hypothesis for reduced affinity of the heme group for carbon monoxide
when the heme is associated with polypeptide chains, the researchers used which of the following model systems?
a. Mutated rat myoglobin. b. Mutated rat hemoglobin. c. Myglobin gene isolated from a bacteria and introduced into sperm whale. d. Myglobin gene isolated from a sperm whale and introduced into a bacteria. e. Hemoglobin gene isolated from a sperm whale and introduced into a bacteria.
What animals are considered to be sessile?
a. Sponges b. Mussels c. Barnacles d. Corals
Which protist groups consists of individuals who often have intracellular shells of interlocking plates?
a. diatoms b. red algae c. euglenoids d. green algae e. dinoflagellates