The antimicrobial action of artemisinin is not well understood but this chemical appears to ________.
A. form reactive oxygen intermediates inside Plasmodium-infected red blood cells
B. raise the internal pH, clump the plasmodial pigment, and intercalate into plasmodial DNA
C. swell the Plasmodium falciparum food vacuoles
D. inhibit heme polymerase, an enzyme that converts toxic heme into nontoxic hemazoin
Answer: A
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What characteristics make a gene a good candidate for determining the evolutionary relationships between organisms?
A) highly conserved B) universally distributed C) transferred horizontally between species D) highly conserved and universally distributed
How does it relate to the question?
What will be an ideal response?
The members of the ____ Cnidarian lineageexist only as polyps as adults,and most build calcium carbonate
exoskeletons and have mutualistic relationships with photosynthetic protists.
a. Hydrozoa b. Scyphozoa c. Trematoda d. Cubozoa e. Anthozoa
Imagine that Aperture Laboratories produces a toxin, which degrades all tRNAs present in a cell. Which of the following processes would be directly inhibited by this toxin?
A. Transcription B. Translation C. DNA replication D. None of the above