A previously unknown virus that causes raised, itchy rashes and generalized lethargy in infected individuals is identified. This virus has a low mutation rate, is highly contagious, has not been associated with any reported incidents of serious injury or death, and its proteome is not yet completely understood. Which form of treatment should be developed to limit the extent of the outbreak safely and quickly as possible?
a. antiviral drugs
b. live vaccine
c. killed vaccine
d. homeopathic drugs
c. killed vaccine
You might also like to view...
Clostridium botulinum toxin is
A. heat-stable. B. an exotoxin. C. endotoxin. D. heat-sensitive. E. an exotoxin AND heat-sensitive.
The electrons that are present in NADH and FADH2 are very high energy and theoretically sufficient to produce ATP alone. Why then have biological systems evolved in a way to use the various steps of cellular respiration to produce ATP?
a. It would be less efficient to produce ATP directly from NADH and FADH2. b. There are insufficient amounts of ADP to phosphorylate and make ATP. c. All living organisms must use oxygen and therefore must carry out cellular respiration. d. The steps in respiration allow for a controlled release of energy in small increments. e. Not all cells have NADH and FADH2 present in their cytoplasm.
Which of the following is considered to be the most basic living unit?
a. molecule b. organelle c. organ system d. tissue e. cell
Which class contains members that, due to their high activity and resulting need for lots of oxygen, have a closed circulatory system?
a. Bivalvia b. Scaphopoda c. Cephalopoda d. Gastropoda