1. Each nucleotide in a DNA molecule consists of :   a phosphate group,a pentose sugar and a nitrogeneous heterocyclic base.   a phosphate group, a pentose sugar, and a oxygen base.   a sulfonyl group, a pentose sugar, and a nitrogeneous heterocyclic base.   a phosphate group, a hexose sugar and a nitrogeneous heterocyclic base.   Hint Half-n-half Clue   2. In the DNA Double Helix, complementary base pairs are held together by :   peptide bonds   hydrogen bonds   N-glycosidic bonds   ionic bonds   Half-n-half Clue   3. The number of hydrogen bonds that hold the Adenine - Thymine base pair together is :   2   3   5   4   Half-n-half Clue   4. A nucleoside consists of :   a hexose sugar and a nitrogeneous heterocyclic base.   a pentose sugar and a nitrogeneous heterocyclic base.   a pentose sugar and a oxygen base.   a phosphate group, a pentose sugar and a nitrogeneous heterocyclic base.   Half-n-half Clue   5. The DNA molecule is a polymer. Its monomer units are :   nucleic acids   amino acids   nucleotides   nucleosides   Half-n-half Clue   6. The single stranded molecule that is transcribed from a DNA template (i.e a photocopy of a specific section of the DNA molecule) and is subsequently used to manufacture proteins is :   snRNA   mRNA   rRNA   tRNA   Half-n-half Clue   7. The total length of a DNA molecule in the human genome when fully outstretched is approximately :   1.8 millimeters.   1.8 meters.   Varies from person to person.   1.8 centimeters.   Half-n-half Clue