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: In response to an increase in the concentration of adrenaline and circulating glucagon: 
 Options:  <1> It activates the phosphorylation of glycogen phosphorylase and the degradation of glycogen. <2> It increases the intracellular concentration of cAMP, and therefore, the synthesis of glycogen. <3> It decreases the intracellular concentration of cAMP and the degradation of glycogen. <4> The phosphorylation of glycogen synthase and glycogen synthesis is activated. <5> Increases the intracellular concentration of ATP and glycogenesis.
1

Question: Enzymatic regulation by phosphorylation: 
 Options:  <1> It is reversible. <2> It requires enzymes that directly introduce the Pi. <3> Introduce the Pi into acidic and basic amino acids. <4> Always activate enzymes. <5> It is carried out by phosphatases.
1

Question: The electrolytic cells: 
 Options:  <1> They always have three electrodes. <2> They always have two compartments separated by a salt bridge. <3> They can have a single compartment. <4> They always have a reference electrode. <5> They always use platinum electrodes.

3