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Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus
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The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids
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Describe the structures within cells that govern heredity, and describe where they are located. Make...
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