题目内容
A segment of a DNA molecule that contains the information required for the synthesis of a functional biological product, whether protein or RNA, is referred to as a gene.
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Nucleotides have a variety of roles in cellular metabolism.
They are the constituent of nucleic acids: deoxyribonucleic acid and ribonucleic acid, the molecular repositories of genetic information.
The structure of every protein, and ultimately of every biomolecule and cellular component, is a product of information programmed into the nucleotide sequence of a cell's nucleic acids.
The ability to store and transmit genetic information from one generation to the next is a fundamental condition for life.
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