1) Adenine pairs with - a) Guanine b) Cytosine c) Thymine d) Uracil 2) Adenine pairs with - a) Guanine b) Cytosine c) Thymine d) Uracil 3) A pairs with - a) T b) G c) C d) A 4) G pairs with - a) T b) G c) C d) A 5) G pairs with -  a) T b) G c) C d) A 6) C pairs with - a) T b) G c) C d) A 7) One strand of DNA has the bases ATGC. What is the complementary strand? a) AAGC b) ATGC c) TACG d) TAUC 8) One strand of DNA has the bases CCCG. What is the complementary strand? a) UUUG b) AAAT c) CCCG d) GGGC 9) One strand of DNA has the bases ACAC. What is the complementary strand? a) TGTG b) CGCG c) ACAC 10) DNA is - a) double stranded b) single stranded c) triple stranded 11) A and T are connected by - a) ionic bonds b) hydrogen bonds c) metallic bonds d) phosphates 12) Guanine (G) and Cytosine (C) are connected by - a) ionic bonds b) hydrogen bonds c) metallic bonds d) phosphates 13) The three parts of nucleotide - a) Nucleic acid b) Phosphate group c) Enzyme head d) Sugar e) Hydrogen bond f) Nitrogen base 14) The three parts of nucleotide -  a) Nucleic acid b) Phosphate group c) Enzyme head d) Sugar e) Hydrogen bond f) Nitrogen base 15) What parts of the DNA molecule are connected to the adenine (A)? a) Thymine b) Adenine c) Guanine d) Phosphate group e) Deoxyribose sugar 16) What parts of the DNA molecule are bonded to the adenine (A)? a) Thymine b) Adenine c) Guanine d) Phosphate group e) Deoxyribose sugar 17) The backbone (sides) of the DNA are made of - a) Thymine b) Adenine c) Guanine d) Phosphate group e) Deoxyribose sugar 18) The sides of the DNA are called the -  a) amino acid b) DNA backbone c) sugar-phosphate backbone d) nucleic acid backbone 19) The sides of the DNA are called the -  a) amino acid b) DNA backbone c) sugar-phosphate backbone d) nucleic acid backbone 20) Part of DNA that codes for traits - a) W b) X c) Y d) Z 21) Deoxyribose sugar -  a) W b) X c) Y d) Z 22) Phosphate group -  a) W b) X c) Y d) Z 23) Nitrogen base -  a) W b) X c) Y d) Z 24) Codes for traits - a) nitrogen bases (A, G, C, T) b) phosphate groups c) sugars d) amino acids 25) Function of bases - a) codes for traits b) makes food c) creates mitochondria d) absorbs sun energy

DNA Structure

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