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Microbiology › View

What are the purines found in DNA nucleotides?

A. Cytosine and Thymine

B. Adenine and Guanine

C. Adenine and Cytosine

D. Guanine and Thymine

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Hygiene and Nutrition › View

_____ makes our teeth strong.

A. Pipe

B. Sugarcane

C. Sweets

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