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chapter 8 vocab
DNA and Genes
| Term | Definition |
|---|---|
| Nucleotides | the small units or monomers, that make up DNA |
| Double Helix | model in two strands of wind DNA-around each other |
| Base Pairing Rules | the bases of the two DNA strands always pair up in the same way |
| Replication | the process by which DNA is copied during the cell cycle |
| DNA Polymers | a group of enzymes that bond the new nucleotides together |
| Central Dogma | molecular biolog which states hat information flowsa in one direction |
| RNA | or ribonucleic acid is a chain of nucleotides each made of a sugar a phosphate group and nitrogen containing base |
| Transcription | is the process of copying a sequence of DNA to produce a complementary strand of DNA |
| RNA Polymerases | enzymes that bond nucleotides together in a chain to make a new molecule |
| Messenger RNA | is an intermediate message that is translated to form a protien |
| Ribosomal RNA | forms part of ribosomes a cells protein factories |
| Transfer RNA | brings amino acids from the cytoplasm to a ribosome to make the growing protein |
| Translation | is the process that converts or translates an mRNA message into a polypeptide |
| Condon | is a three nucleotide sequence that codes for an amino acid |
| Stop Condons | signal the end of the amino acid chain |
| Start condons | signals the start of translation and the amino acid chain |
| Anticodon | is a set of three nucleotides that is complementary to an rna condon |