<span>Central dogma by Crick is explaining how a gene is translated. It involves transcription and translation. Transcription is copying the message of DNA to mRNA. This message is translated in the cytoplasm by ribosomes with the help of tRNA to syntheise proteins which are basis of every metabolic reactions. This is an inference based on observations. For him it was found reasonable to infer the message should be carried from DNA to cytoplasm.</span>
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For cells in the body that replicate, they undergo mitosis to produce two identical daughter cells from one stem cell. These cells are going through a cycle, called the cell cycle, with several stages leading to the formation of daughter cells. The longest stage, and the one in which most cells are found, is called interface
The substrate and the active site both need to fit together perfectly in order for the enzyme to work properly. If their shape is changed, typically through heat or a change in pH, the enzyme will not work.
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