Who invented genetic code?
The Crick, Brenner, Barnett and Watts-Tobin experiment first demonstrated that codons consist of three DNA bases.
Marshall Nirenberg and Heinrich J.
Matthaei were the first to reveal the nature of a codon in 1961..
What are the 4 letters of the DNA code?
The instructions in a gene that tell the cell how to make a specific protein. A, C, G, and T are the “letters” of the DNA code; they stand for the chemicals adenine (A), cytosine (C), guanine (G), and thymine (T), respectively, that make up the nucleotide bases of DNA.
What is DNA code?
The DNA code contains instructions needed to make the proteins and molecules essential for our growth, development and health. … The cell reads the DNA code in groups of three bases. Each triplet of bases, also called a codon, specifies which amino acid? will be added next during protein synthesis.
What DNA letters go together?
The bases are the “letters” that spell out the genetic code. In DNA, the code letters are A, T, G, and C, which stand for the chemicals adenine, thymine, guanine, and cytosine, respectively. In base pairing, adenine always pairs with thymine, and guanine always pairs with cytosine.
Who invented alphabets A to Z?
Scholars attribute its origin to a little known Proto-Sinatic, Semitic form of writing developed in Egypt between 1800 and 1900 BC. Building on this ancient foundation, the first widely used alphabet was developed by the Phoenicians about seven hundred years later.