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RNA resembles a long chain with the links in the chain made up of individual nucleotide. RNA carries out the instructions encoded in DNA, most biological activities are carried out by proteins. The accurate synthesis of proteins thus is critical to the proper functioning of cells and organisms. The linear order of amino acids in each protein determines its three-dimensional structure and activity.For this reason, assembly of amino acids in their correct order, as encoded in DNA, is the key to production of functional proteins. Three kinds of RNA molecules perform different but cooperative functions in protein synthesis. Synthesis of all protein chains in prokaryotic and eukaryotic cells begins with the amino acid methionine. In most mRNAs, the start (initiator) codon specifying this amino-terminal methionine is AUG.In a few bacterial mRNAs, GUG is used as the initiator codon, and CUG occasionally is used as an initiator codon for methionine in eukaryotes. The three codons UAA, UGA, and UAG do not specify amino acids but constitute stop (terminator) signals that mark the carboxyl terminus of protein chains in almost all cells.The sequence of codons that runs from a specific start site to a terminating codon is called a reading frame. This precise linear array of ribonucleotides in groups of three in mRNA specifies the precise linear sequence of amino acids in a protein and also signals where synthesis of the protein chain starts and stops.
Explanation:
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His left delivered little punching power. His right hand was constantly sore or fractured, leaving him an impotent and lopsided boxer. When Braddock broke his hand in three places in his fight with Abe Feldman, it seemed like a terrible turn of luck.
Explanation:
Economics is the branch of science that deals with economy and the use of money to buy and sell. It is similar to a game because like a game economics is kind of like luck and chance. There is no guarantee who will win. On the otherhand the social status that we are born into such as poor, middle class, or rich plays a great deal in the cards that we are dealt to play this game call life. But again the poor can work there way up the ladder and win the game, while the rich can have all the right cards and still lose the game. Like the winner of a game those who win in life and endure loss and failure are the real winners.
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<span>Israel defeated Egypt, Syria and Jordan, capturing the West Bank, East Jerusalem, the Gaza Strip, the Golan Heights and the Sinai Peninsula.</span>
