Which of the following is an example of the use of the binomial system devised by Linnaeus?
A. O157:H7
B. Enterobacteriaceae
C. Enterobacteriales
D. Escherichia coli
Answer: D
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Which of the following is an amine hormone important in the stress response in vertebrates?
A. dopamine B. melatonin C. cortisol D. epinephrine E. serotonin
You are given an unknown organism to identify. It is unicellular and heterotrophic. It is motile, using many short extensions of the cytoplasm, each featuring the 9 + 2 filament pattern
It has well-developed organelles and two nuclei, one large and one small. This organism is most likely to be a _____. A) foraminiferan B) radiolarian C) ciliate D) kinetoplastid
Antitoxins
A. include capsule material against the pneumococcus and meningococcus. B. contain purified, chemically denatured bacterial exotoxin. C. contain antibodies to neutralize specific toxin. D. use vaccinia virus with genetic material of bacterial toxins. E. contain attenuated organisms.
Describe the similarities and differences between DNA and RNA.
What will be an ideal response?