Describe the characteristics that distinguish the following: a) antigen, b) hapten, c) antigenic determinant, d) alloantigen, e) heterophilic antigen, and f) autoantigen.
What will be an ideal response?
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Animals capable of producing their own body heat by way of metabolism and of retaining it are said to be
A. metabolic. B. thermogenic. C. thermodynamic. D. endothermic.
A young woman has a pelvic infection. A specimen contains bacilli that are bile salt tolerant, as shown by black growth on a bile-esculin agar plate. Her infection is likely caused by:
A) Haemophilus ducreyi B) Pesudomonas aeruginosa C) Neisseria gonorrhoeae D) Bartonella henselae E) Bacteroides fragilis
How many different offspring genotypes are expected in a trihybrid cross between parents heterozygous for all three traits when the traits behave in a dominant and recessive pattern? How many phenotypes?
A. 64 genotypes; 16 phenotypes B. 16 genotypes; 64 phenotypes C. 8 genotypes; 27 phenotypes D. 27 genotypes; 8 phenotypes
)
A. Enzymatic inactivation of the antibiotic B. Microbe utilizes the antibiotic as an energy source C. Antibiotic efflux pumps pump the antibiotic out of the cell D. Altered target site, such that the antibiotic can no longer bind to the target E. Microbe uses an alternative pathway to circumvent a blocked pathway F. Decreased permeability to the antibiotic