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DNA Structure/Replic
Term | Definition |
---|---|
DNA | a double-stranded |
Nucleotide | a building block of DNA or RNA |
Double helix | a pair of parallel helices intertwined about a common axis |
Hydrogen bond | a type of weak chemical bond formed between the nitrogenous bases on opposite strands of DNA. |
DNA Replication | the process of making an identical copy of a section of DNA |
Adenine or A | the nucleotide that hydrogen bonds with the nucleotide thymine in DNA or with uracil in RNA. |
Thymine or T | the nucleotide that hydrogen bonds with the nucleotide adenine in DNA. |
Guanine or G | the nucleotide that hydrogen bonds with the nucleotide cytosine in DNA or RNA. |
Cytosine or C | the nucleotide that hydrogen bonds with the nucleotide guanine in DNA or in RNA. |
Sequence | the order of nucleotides in DNA or RNA or the order of amino acids in a protein. |
Ribose | the sugar included in a nucleotide building block of RNA. |
Deoxyribose | the sugar included in a nucleotide building block of DNA. |
Mutation | a change in the nucleotide base sequence of a gene or DNA molecule. |