This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'Which of the following is NOT a characteristic feature of allosteric enzymes? \nSelect and explain. \nA. They are multi enzyme complex, B. Follow michalis-mentin kinetics, C. Presence of modulator site, D. Give sigmoid shaped curve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Follow michalis-mentin kineticsAllosteric enzymes are unique compared to other enzymes because of its ability to adopt various conditions in the environment. besides active sites, they possess additional sites known as allosteric sites. Allosteric enzymes are an exception to Michaelis- Menton model. Because they have more than two subunits and active sites.', 'role': 'assistant'}]