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Complementarity allows information found in DNA or RNA to be stored in a single strand. The complementing strand can be determined from the template and vice versa as in cDNA libraries. This also allows for analysis, like comparing the sequences of two different species.
7 Μαρ 2024 · Complementary base pairing plays a crucial role in the structure and function of DNA. It refers to the specific hydrogen bonding between adenine (A) and thymine (T), as well as guanine (G) and cytosine (C). This pairing ensures the accurate replication and expression of genetic information.
15 Μαΐ 2022 · The rules of base pairing explain the phenomenon that whatever the amount of adenine (A) in the DNA of an organism, the amount of thymine (T) is the same (called Chargaff's rule). Similarly, whatever the amount of guanine (G), the amount of cytosine (C) is the same.
Cytosine’s complementary base in the DNA molecule is guanine. Cytidine is a structural subunit of ribonucleic acid that consists of cytosine and the sugar ribose . Cytidine triphosphate (CTP), an ester of cytidine and triphosphoric acid, is the substance utilized in the cells to introduce cytidylic acid units into ribonucleic acids.
In DNA, cytosine pairs with guanine through three hydrogen bonds, forming a stable base pair. The sequence of these base pairs along the DNA strand encodes genetic information. During DNA replication, the complementary base pairing ensures faithful copying of the genetic material.
It differs from DNA chemically in two respects: (1) the nucleotides in RNA are ribonucleotides —that is, they contain the sugar ribose (hence the name ribo nucleic acid) rather than deoxyribose; (2) although, like DNA, RNA contains the bases adenine (A), guanine (G), and cytosine (C), it contains the base uracil (U) instead of the thymine (T) in...
Consistent pairings of complementary bases allow cells to make double-stranded DNA from a single strand template, create messenger RNA from DNA and synthesize proteins from individual amino acids by matching nucleotides bases on messenger RNA with their complementary bases on transfer RNA.