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  2. Nucleic acid - Wikipedia

    en.wikipedia.org/wiki/Nucleic_acid

    Deoxyribonucleic acid (DNA) is a nucleic acid containing the genetic instructions used in the development and functioning of all known living organisms. The chemical DNA was discovered in 1869, but its role in genetic inheritance was not demonstrated until 1943. The DNA segments that carry this genetic information are called genes.

  3. DNA - Wikipedia

    en.wikipedia.org/wiki/DNA

    Deoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k,-ˌ k l eɪ-/ ⓘ; [1] DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of all known organisms and many ...

  4. Central dogma of molecular biology - Wikipedia

    en.wikipedia.org/wiki/Central_dogma_of_molecular...

    A second version of the central dogma is popular but incorrect. This is the simplistic DNA → RNA → protein pathway published by James Watson in the first edition of The Molecular Biology of the Gene (1965). Watson's version differs from Crick's because Watson describes a two-step (DNA → RNA and RNA → protein) process as the central ...

  5. Introduction to genetics - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_genetics

    DNA can be copied very easily and accurately because each piece of DNA can direct the assembly of a new copy of its information. This is because DNA is made of two strands that pair together like the two sides of a zipper. The nucleotides are in the center, like the teeth in the zipper, and pair up to hold the two strands together.

  6. Gene - Wikipedia

    en.wikipedia.org/wiki/Gene

    [51]: 6.1 The mRNA acts as an intermediate between the DNA gene and its final protein product. The gene's DNA is used as a template to generate a complementary mRNA. The mRNA matches the sequence of the gene's DNA coding strand because it is synthesised as the complement of the template strand.

  7. World’s oldest person Tomiko Itooka dies; Brazilian nun now ...

    www.aol.com/news/world-oldest-person-tomiko...

    Tomiko Itooka, a 116-year-old Japanese woman who became the oldest living person in August 2024, died on Dec. 29, 2024, according to Guinness World Records.

  8. Nucleotide base - Wikipedia

    en.wikipedia.org/wiki/Nucleotide_base

    DNA and RNA also contain other (non-primary) bases that have been modified after the nucleic acid chain has been formed. In DNA, the most common modified base is 5-methylcytosine (m 5 C). In RNA, there are many modified bases, including those contained in the nucleosides pseudouridine (Ψ), dihydrouridine (D), inosine (I), and 7-methylguanosine ...

  9. I’m a Financial Planner: This Psychological Hack Is ‘Key’ To ...

    www.aol.com/m-financial-planner-psychological...

    If you have had trouble saving for retirement, putting money away for a down payment, creating a budget, saving for family vacation or other money goals, don't feel too bad, said Brad Klontz, a...