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Chap.13 ♥
| Question | Answer |
|---|---|
| gene | the most basic physical unit of heredity; a segment of nucleic acids that codes for a functional unit of RNA and/or a protein |
| DNA | deoxyribonucleic acid, the material that contains the information that determines deoxyribonucleic acid |
| nucleotide | the basic building block of nucleic acid |
| purine | a nitrogeneous in one of the two nitrogeneous bases found in DNA |
| pyrimidine | the other nitrogeneous base in DNA |
| DNA replication | the process of making a copy of DNA |
| DNA helicase | an enzyme that unwinds DNA during replication |
| DNA polymerase | an enzyme that catalyzes the formation of the DNA molecule |
| RNA | ribonucleic acid a natural polymer that is present in very living thing |
| gene expression |