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'.

Q: Question: The Merkel cells are: 
 Options:  <1> Secretors of neuropeptides and sensory. <2> Secretors of mucus. <3> Migratory <4> From Schwann. <5> Fibroblasts.

A: 1
****
Q: Question: Which of the following molecules has the highest number of antibonding electrons? 
 Options:  <1> B2. <2> N 2 <3> Li2. <4> F 2 <5> O 2

A: 4
****
Q: Question: Which of the following modifications is not part of the maturation process suffered by the precursors of the tRNAs? 
 Options:  <1> Modification of bases. <2> Elimination of the 5'-end leader sequence. <3> Elimination of the final segment of the 3 'end. <4> Addition of CCA to the 3 'end. <5> Polyadenylation of the 3'-end.

A:
5
****