Which one of the following statements does NOT correctly describe the current state of the chymotrypsin-substrate complex below or the next mechanistic step that occurs? G193 NH S195 -NH R -NH R-NH HN- Ser-195 His-57 HN Asp-102 OA. This intermediate is part of a nucleophilic acyl substitution reaction. O B. In the next step His-57 protonates Ser-195. OC. In the next step His-57 activates a water molecule. O D. In the next step His-57 protonates the leaving group. OE. In the next step the N-terminal fragment of the original substrate departs.
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
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