Which cells produce antibodies?
a. helper T cells
b. dendritic cells
c. cytotoxic T cells
d. NK cells
e. B cells
e
Biology & Microbiology
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FISH analysis is useful for determining the
A) order of DNA fragments in a BAC. B) pattern of expression of a cloned gene. C) chromosomal location of a gene. D) map order of two closely linked genes.
Biology & Microbiology
Plants in some biomes are adapted to low levels of precipitation. In which biome is low precipitation an abiotic factor?
a) coniferous forest b) tropical forest c) desert d) chaparral
Biology & Microbiology
If an organism produces beta-lactamase, which of the following antimicrobials would not be considered a drug of choice?
A) erythromycin B) vancomycin C) tetracycline D) penicillin
Biology & Microbiology
What could be rejected using scientific observations?
What will be an ideal response?
Biology & Microbiology