Can the PCR technique be used to copy an entire chromosome all at once?
A) No, only the genes would be copied.
B) No, the PCR machine can only copy fragments of DNA.
C) Yes, that is its primary function.
B
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A method of identification using immobilized, known antigens to identify unknown antibodies and vice versa, where the presence of the agent being tested for immediately brings about a color change is called ________.
A. immunochromatography B. Western blotting C. ELISA D. radioimmunoassay
One ecological impact of _____________ energy is its potential to negatively affect populations of migrating birds.
A. Solar B. Wind C. Geothermal D. Wave E. Biomass
What immune response is present in vertebrates but absent in invertebrates?
A. lymphocytes B. antibody-based humoral defense C. complement system D. All of the choices are correct.
True or False: Whereas prokaryotes contain 16S rRNA genes, eukaryotes instead contain 20S rRNA genes
a. TRUE b. FALSE