Next-Gen

DNA

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by adharsh
Last updated 4 years ago

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Discipline:
Science
Subject:
Biology

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The DNA History

DNA and RNA

Chromosome A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. Chromosomes also contain DNA-bound proteins, which serve to package the DNA and control its functions. Chromosomal DNA encodes most or all of an organism's genetic information; some species also contain plasmids or other extrachromosomal genetic elements.

mutation A mutation is a permanent change in the DNA sequence of a gene. Mutations in a gene's DNA sequence can alter the amino acid sequence of the protein encoded by the gene.

DNA DNA is similar in many ways to RNA, but there are some significant differences. It too, is made up of a sequence of nucleotides. That sequence of nucleotides is very important because it determines the sequence of nucleotides in messenger RNA, which in turn determines the sequence of amino acids in proteins, which in turn determines their function.

Protein Synthesis

Gene Regulation


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