1) DNA sugar a) ribose b) deoxyribose 2) Found at the 3'end a) phosphate b) deoxyribose c) base 3) Found at the 5'end a) phosphate b) deoxyribose c) base 4) Base complementary to adenine a) thymine b) cytosine c) guanine 5) Base complementary to cytosine a) thymine b) adenine c) guanine 6) Makes up the DNA backbone a) deoxyribose b) bases c) phosphate d) hydrogen bonds 7) DNA is ... a) single stranded b) double stranded 8) In the nucleus DNA is wrapped around proteins called... a) enzymes b) hormones c) histones d) receptors

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