1) How many components compose the DNA? a) 1 b) 3 c) 6 2) Component molecules are: a) sugar deoxyribose, phosphate group, bases b) adenine,thymine, cytosine c) double helix 3) the basic building block of DNA is made of... a) bases (A,T,C,G) b) sugar c) nucleotides 4) Choose the correct combination of bases: a) A+T, G+C b) A+G, C+T c) G+T, A+C 5) DNA is a double stranded molecule. Two strand wound together and form a... a) double spiral b) double helix c) double acid 6) which components give the name to DNA ? a) helix b) adenine c) sugar

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