Overview
DNA, or deoxyribonucleic acid, is the hereditary material in all known living organisms. It is composed of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base. The unique sequence of these bases encodes genetic information, which is crucial for the development, functioning,...
Key Terms
Example: A nucleotide can be adenine, thymine, cytosine, or guanine.
Example: The double helix structure was discovered by Watson and Crick.
Example: A pairs with T, and C pairs with G.
Example: The backbone provides stability to the DNA molecule.
Example: DNA replication ensures each new cell has the same genetic information.
Example: During transcription, the DNA sequence is copied into messenger RNA.