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10 Cards in this Set
- Front
- Back
double helix
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shape of the DNA molecule; two DNA strands are twisted into a springlike structure; twisted ladder.
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nitrogenous base
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a structure found in DNA or RNA that contains nitrogen; 4 types are adenine (A), thymine (T), guanine (G) & cytosine (C)
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transcription
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process where an RNA copy of DNA is made; happens in the nucleus
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translation
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changing the information in RNA into amino acids to make proteins
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codon
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set of three nitrogenous bases (letters) that make an amino acid
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mutation
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any change or error in DNA
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mutagen
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anything that causes a change in DNA could be radiation (X-rays), chemicals or high temperatures.
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messenger RNA
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RNA that picks up information in nucleus from DNA and travels to the cytoplasm
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ribosomal RNA
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RNA that makes ribosomes; helps make proteins
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Transfer RNA
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RNA that transports amino acids to the ribosomes to be assembled into proteins
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