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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 |