instruction:
In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
question:
Question: A key reaction in the regulation of gene expression is acetylation / desatethylation in the histones of some of its residues: 
 Options:  <1> Serina <2> Threonine <3> Lysine <4> Tryptophan <5> To the girl.
answer:
3


question:
Question: Protein kinase A (PKA): 
 Options:  <1> It induces the synthesis of glycogen in response to an increase in glucagon in the blood. <2> It is a membrane protein that is activated in response to an increase in circulating GTP. <3> It is activated through the cAMP produced in response to an increase in adrenaline in the circulation. <4> It inhibits the lipolysis of triacylglycerides accumulated in adipose tissue, in response to an increase in intracellular cAMP. <5> It is a monomeric protein that inhibits the synthesis of ATP and muscle contraction.
answer:
3


question:
Question: In relation to the consumption of dietary fiber, it is true that: 
 Options:  <1> It must be balanced (25% soluble and 75% insoluble, approximately). <2> The higher the consumption of fiber, the lower the water intake. <3> The products made with refined seeds have a high fiber content. <4> Legumes are a poor source of fiber. <5> In the adult, 10-15 g of fiber are recommended daily.
answer:

1