Which of the following is a true statement?
a) DO focus on the diagnosis and treatment of human diseases
b) Vaccination is considered passive immunity
c) Ebola's VP35, VP40 and VP24 block interferon production
d) Interferon interrupts DNA replication directly
e) Both A and C are true
Answer: c) Ebola's VP35, VP40 and VP24 block interferon production
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Answer the following statements true (T) or false (F)
1) Crossing-over occurs in meiosis I and meiosis II. 2) Chromosome duplication occurs between meiosis I and meiosis II. 3) In animal cells, cell division is accomplished by the formation of a cleavage furrow. 4) Daughter cells produced in meiosis are identical. 5) Chromosome duplication occurs prior to both mitosis and meiosis.
A(n) ________ consists of the interactions between all of the species in a given area. a. ecosystem b. biome c. community d. None of these choices
e. habitat
Most bacterial species grown in the laboratory are grown at temperatures between
A) 5° and 10° C. B) 10° and 20° C. C) 20° and 40° C. D) 40° and 90° C.
Strangles in horses is caused by:
A. Streptococcus agalactiae B. Streptococcus anginosus C. Streptococcus mutans D. Streptococcus bovis E. Streptococcus equi