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How Many Bases Are Needed To Specify Three Amino Acids . The code is degenerate, meaning several codes are present for the same amino acid and the codes for similar amino acids are clustered. 61 specify amino acids and 3 are used as stop codons. PPT Introduction to Biological sequences PowerPoint Presentation from www.slideserve.com After mrna leaves the nucleus, it moves to a ribosome, which consists of rrna and proteins.the ribosome reads the sequence of codons in mrna, and molecules of trna bring. The mrna's are added to separate in vitro translation mixtures containing radioactive methionine and the reactions are allowed to proceed for 30 minutes. In addition sulfur (s) is present in the side chains of cysteine and methionine, and selenium (se).

What Are Three Properties Of An Acid . A base is a substance that reacts with hydrogen ions and can neutralize the acid. Acids are of two kind strong acids and weak base. Acid, bases and salts Presentation Chemistry from www.sliderbase.com 6hno3(aq) + fe2o3(s) → 2fe (no3)3(aq) + 3h2o (l) this is the reaction of. So these are the chemical properties of acids and bases. The ph scale usually ranges from 0 to 14.