What is the difference between inorganic catalysts, such as metal ions, and enzymes? I - Enzymes are more efficient than inorganic catalysts. II -...
What is the difference between inorganic catalysts, such as metal ions, and enzymes?
I - Enzymes are more efficient than inorganic catalysts.
II - Enzymes are not specific and can catalyze reactions involving different types of reactants.
III - Enzymes can operate under mild conditions of temperature, pressure, and pH.
IV - Enzymes can be highly regulated by extrinsic factors to the reaction, such as activators and inhibitors.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only I, III, and IV are correct.
d) All statements are correct.
I - Enzymes are more efficient than inorganic catalysts.
II - Enzymes are not specific and can catalyze reactions involving different types of reactants.
III - Enzymes can operate under mild conditions of temperature, pressure, and pH.
IV - Enzymes can be highly regulated by extrinsic factors to the reaction, such as activators and inhibitors.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only I, III, and IV are correct.
d) All statements are correct.
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Ed 
A diferença entre catalisadores inorgânicos, como íons metálicos, e enzimas é que as enzimas são proteínas que possuem um sítio ativo específico para a ligação com o substrato, enquanto os catalisadores inorgânicos não possuem essa especificidade. Além disso, as enzimas são mais eficientes que os catalisadores inorgânicos, podem catalisar reações envolvendo diferentes tipos de reagentes, operam em condições mais brandas de temperatura, pressão e pH e podem ser altamente reguladas por fatores extrínsecos à reação, como ativadores e inibidores. Portanto, a alternativa correta é a letra c) Apenas as afirmações I, III e IV estão corretas.
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