When DNA is heated, the two strands will separate.
Answer the following statement true (T) or false (F)
True
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The process used for identifying the different carbohydrates of streptococci is called
A. Lancefield grouping. B. CHO typing. C. streptococci. D. fermentation testing.
A male expresses
A. only the homozygous recessive alleles on his X chromosome. B. none of the alleles on his X chromosome. C. only the dominant alleles on his X chromosome. D. both the dominant and recessive alleles on his X chromosome. E. None of the answer choices is correct.
Which category contains the greatest number of different types of organisms?
A. genus B. family C. phylum D. Class E. Kingdom
Which is NOT true regarding plaque assays?
a. Viral titers are expressed as plaque-forming units (PFU). b. Top agar containing a dilution of virions and bacteria is poured on an agar plate. c. Plaques are clear zones seen because viruses lysed the host cells in the area. d. Plaque assays are used to quantify lysogenic phages as well as lytic phages.