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CH.8 Vocab
DNA nd Genes
| Term | Definition |
|---|---|
| Nucleotide | Small units that make up DNA |
| Double Helix | two strands of DNA wind around each other like a twist ladder |
| Base Pairing Rules | Thymine always pairs with Adenine and Cytosine always pairs with Guanine |
| Replecation | The process by which DNA is copied during the cell cylce |
| DNA polymeraes | Bonds the new nucleotides together |
| Central Dogma | A theory that states that information flows in one direction, From DNA to RNA to proteins |
| RNA | A chain of nucleotides, each made of sugar, a phosphate group, and a nitrogen base. |
| Transcription | Process of copying a sequence of DNA to produce a complementary strand of RNA |
| RNA polymerase | enzymes that bond nucleotides together in a chain to make a new RNA molecule |
| Messenger RNA | An intermediate message that is translated to form a protein |
| Ribosomal RNA | Forms part of Ribosomes, a cells protein factories |
| Transfer RNA | Brings amino acids from the cytoplasm to a ribosome |
| Translation | The process that converts an mRNA message into a polypeptide |
| Stop Codons | Signals the end of the amino acid chains |
| Start Codon | Signals the start of an amino acid chain |
| Anticodon | A set of three nucleotides that is complementary to and mRNA codon |
| Cells | Basic Unit of life |