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Respiratory › View

Which of the following refers to a condition in which your airways narrow and swell and may produce extra mucus?

A. Asthma

B. Bronchitis

C. Emphysema

D. Sinusitis

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Biotechnology › View

Which of the following allow for amplification of a DNA fragment abiotically?

A. DNA sequencing

B. Gel electrophoresis

C. Polymerase chain reaction

D. Bacterial transformation

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