| A | B |
| nucleic acids | allow genetic information to be stored and transferred from parents to their offspring |
| subunits of nucleic acids | nucleotides |
| key parts of a nucleotide | phosphate group, sugar molecule, and a nitrogen base |
| type of sugar that DNA molecules possess | deoxyribose |
| type of sugar that RNA molecules possess | ribose |
| nitrogen bases DNA molecules possess | Adenine, Thymine, Guanine, Cytosine |
| nitrogen bases RNA molecules possess | Adenine, Uracil, Guanine, Cytosine |
| DNA mollecules have ___ strand(s) of nucleotides | 2 |
| RNA molecules have ___ strand(s) of nucleotides | 1 |
| hold sugar molecules and phosphate groups together | phosphodiester bonds |
| two nitrogen bases that follow the base pairing rules | complementary |
| hold nitrogen bases together | hydrogen bonds |
| "twisted ladder" shape of DNA | double helix |
| process of making exact copies of DNA | replication |
| break hydrogen bonds between complementary base pairs during DNA replication | helicase enzymes |
| used to guide the assembly of new daughter nucleotide strands during DNA replication | templates |
| correctly matches nucleotides with complementary nitrogen bases | DNA polymerase enzymes |
| each daughter molecule contains half of the parent molecule | semi-conservative replication |
| the two new DNA molecules produced during DNA replication are ___ | identical |
| two types of nucleic acids | DNA & RNA |