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ch8 vocab
dna and genes
| Term | Definition |
|---|---|
| nucleotides | small units that make dna |
| double helix | DNA model |
| base pairing rules | base of the two dna strands that always pair |
| replication | Template |
| dna polymerase | bonds the new nucleotides together |
| central dogma | information flows in one direction |
| rna | intermediate link between DNA in the nucleus and protein synthesis in the cytoplasm |
| transcription | process of copying a sequence of DNA |
| rna polymease | enzymes that bond nucleotides together |
| messenger rna | intermediate message translated to form protein |
| ribosomal rna | forms parts of ribosomes |
| transfer rna | brings amino acids from the cytoplasm to a ribosome |
| translation | the process that converts an mRNA message into a polypeptide |
| codon | three - nucleotide sequence that codes amino acids |
| stop codon | signal the end of an amino acid chain |
| start codon | the start of translation and the amino acid methionine |
| anticodon | set of three nucleotides that is complementary to an mRNA codon |