Which test is the confirming test for people who initially tested antibody-positive in the screening ELISA test?
A. Quellung test
B. Radioimmunoassay (RIA)
C. Ouchterlony double diffusion
D. Immunelectrophoresis
E. Western blot
Answer: E
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Some bacteria produce the enzyme ?-lactamase, which results in resistance to certain antibiotics such as penicillin
Since these same organisms reproduce asexually, they produce offspring that ____.
a. can be killed by penicillin b. have an abnormally high rate of mutation c. are resistant to penicillin d. have variable numbers of chromosomes e. can make penicillin
The genotype is the physical appearance of the organism
1.True 2.False
Which of the following helminth parasites do humans acquire by eating undercooked saltwater fish?
A) Schistosoma B) Fasciola C) Echinococcus D) Anisakis E) Ascaris
All of the following are challenges in gene therapy EXCEPT ________
A) designing a strategy B) unknown cell types C) unknown specific mutations D) inaccessible tissues