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Gaseous Exchange in Humans › View

The bronchiole walls in an asthmatic patient becomes swollen and thick which leads to the following except

A. the opening of the bronchiole tube becomes larger

B. the air passage becomes narrower

C. difficulties in breathing

D. breathlessness

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DNA and RNA Structures › View

What are the four nucleotide bases found in DNA?

A. Adenine, Thymine, Cytosine, Guanine

B. Adenine, Uracil, Cytosine, Guanine

C. Adenine, Thymine, Cytosine, Uracil

D. Adenine, Uracil, Cytosine, Thymine

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