michelle yip shuen dating 4 bases of dating

A large part of DNA (more than 98% for humans) is non-coding, meaning that these sections do not serve as patterns for protein sequences.The two strands of DNA run in opposite directions to each other and are thus antiparallel.The nitrogenous bases of the two separate polynucleotide strands are bound together (according to base pairing rules (A with T, and C with G) with hydrogen bonds to make double-stranded DNA.

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Attached to each sugar is one of four types of nucleobases (informally, bases).It is the sequence of these four nucleobases along the backbone that encodes biological information.RNA strands are created using DNA strands as a template in a process called transcription.Under the genetic code, these RNA strands are translated to specify the sequence of amino acids within proteins in a process called translation.The DNA backbone is resistant to cleavage, and both strands of the double-stranded structure store the same biological information.

This information is replicated as and when the two strands separate.Eukaryotic organisms (animals, plants, fungi, and protists) store most of their DNA inside the cell nucleus and some of their DNA in organelles, such as mitochondria or chloroplasts.In contrast, prokaryotes (bacteria and archaea) store their DNA only in the cytoplasm.DNA is used by researchers as a molecular tool to explore physical laws and theories, such as the ergodic theorem and the theory of elasticity.The unique material properties of DNA have made it an attractive molecule for material scientists and engineers interested in micro- and nano-fabrication.In a double helix, the direction of the nucleotides in one strand is opposite to their direction in the other strand: the strands are antiparallel.