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Respiratory › View

Diffusion occurs when the exchange of gases between alveoli and the capillary bed.

A. TRUE

B. FALSE

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Microbiology › View

Where is the phosphate group of one nucleotide attached in a DNA molecule?

A. To the 3′ carbon of the sugar of the next nucleotide

B. To the 5′ carbon of the sugar of the same nucleotide

C. To the nitrogenous base of the same nucleotide

D. To the hydroxyl group of the amino acid chain

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