1. Injection with an antiserum provides _______ immunity that ________. A. delayed, is long lasting B. immediate, is long lasting C. delayed, is short lived D. immediate, is short lived 2. Bacteria in biofilms are more resistant to antimicrobial drugs because they: A. mutate more quickly B. are protected by an outer membrane C. are insulated by EPS D. produce more LPS 3. The label “hormone-free” on a package of chicken: A. indicates that this chicken is safer to eat than conventional chicken B.is unimportant since chicken are never treated with hormones C. is important since conventionally grown chickens are treated with hormones D. Both A and C 4. Which of the following is an example of a contagious disease? A. Rocky mountain spotted fever (transmitted by ticks) B. Bartonellosis (acquired by cat scratch) C. MERS (transmitted by nasal secretions) 5. Students plated 50 ul of a lytic bacteriophage stock with 0.1 ml E. coli culture and observed approximately 600 plaques the next day. How many plaques would you expect from a 1:10 dilution of the same stock plated in the same way? A. 1.0 X 10^2 B. 500 C. 60 D. less than 1 6. Dideoxynucleotides are used in sequencing reactions: A. as primers for the DNA polymerase B. as primers for the RNA polymerase C. as chain terminators D. to extend the DNA chain
Injection with an antiserum provides
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