Homework Clinic
Science Clinic => Science => Topic started by: Hawke on May 23, 2013
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What are the basic "building blocks" of deoxyribonucleic acid (DNA)?
A) 100,000 different kinds of proteins
B) 26 different kinds of chromosomes
C) 20 different kinds of amino acids
D) 4 different kinds of nucleotides
E) 3 different kinds of genomes
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D