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  2. DNA - Wikipedia

    en.wikipedia.org/wiki/DNA

    Building blocks of DNA (adenine, guanine, and related organic molecules) may have been formed extraterrestrially in outer space. [ 153 ] [ 154 ] [ 155 ] Complex DNA and RNA organic compounds of life , including uracil , cytosine , and thymine , have also been formed in the laboratory under conditions mimicking those found in outer space , using ...

  3. Genetic code - Wikipedia

    en.wikipedia.org/wiki/Genetic_code

    The genetic code is the set of rules used by living cells to translate information encoded within genetic material (DNA or RNA sequences of nucleotide triplets, or codons) into proteins. Translation is accomplished by the ribosome , which links proteinogenic amino acids in an order specified by messenger RNA (mRNA), using transfer RNA (tRNA ...

  4. Nucleic acid - Wikipedia

    en.wikipedia.org/wiki/Nucleic_acid

    The code is read by copying stretches of DNA into the related nucleic acid RNA in a process called transcription. Within cells, DNA is organized into long sequences called chromosomes. During cell division these chromosomes are duplicated in the process of DNA replication, providing each cell its own complete set of chromosomes.

  5. Our DNA is 99.9 percent the same as the person sitting next ...

    www.aol.com/article/2016/05/06/our-dna-is-99-9...

    Our bodies have 3 billion genetic building blocks, or base pairs, that make us who we are. And of those 3 billion base pairs, only a tiny amount are unique to us, making us about 99.9% genetically ...

  6. Nucleotide base - Wikipedia

    en.wikipedia.org/wiki/Nucleotide_base

    Five nucleobases—adenine (A), cytosine (C), guanine (G), thymine (T), and uracil (U)—are called primary or canonical. They function as the fundamental units of the genetic code, with the bases A, G, C, and T being found in DNA while A, G, C, and U are found in RNA. Thymine and uracil are distinguished by merely the presence or absence of a ...

  7. Introduction to genetics - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_genetics

    Genes are made from a long molecule called DNA, which is copied and inherited across generations. DNA is made of simple units that line up in a particular order within it, carrying genetic information. The language used by DNA is called genetic code, which lets organisms read the information in the genes. This information is the instructions ...

  8. Molecular genetics - Wikipedia

    en.wikipedia.org/wiki/Molecular_genetics

    DNA is a double stranded molecule, with each strand oriented in an antiparallel fashion. Nucleotides are the building blocks of DNA, each composed of a sugar molecule, a phosphate group and one of four nitrogenous bases: adenine, guanine, cytosine, and thymine. A single strand of DNA is held together by covalent bonds, while the two ...

  9. Today's Wordle Hint, Answer for #1259 on Friday, November 29 ...

    www.aol.com/lifestyle/todays-wordle-hint-answer...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1259 ahead. Let's start with a few hints.