Detailed Instructions: 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'.
Problem:Question: Glycogenin:
Options: <1> It catalyzes the conversion of starch into glycogen. <2> It is the enzyme responsible for the formation of branches in glycogen. <3> It is the gene that codes for glycogen synthase. <4> It is the primer on which new chains of glycogen start. <5> Regulates glycogen synthesis.
Solution:
4