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Genes & DNA chpt 7
Term | Definition |
---|---|
DNA | A molecule that's present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live(deoxyribonucleic acid) |
Nucleotide | In a nucleic- acid chain a subunit that consists of a sugar a phosphate and a nitrogenous base |
RNA | A molecule that's present in all living cells and that plays a role in protein production(ribonucleic acid) |
Ribosome | A cell organelle composed of RNA and protein: the site of protein synthesis |
Mutation | A change in the nucleotide-base sequence of a gene or DNA molecule |