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: It is well associated with its function:
Options: <1> Ribosomal RNA - messenger preRNA processing. <2> Messenger RNA - amino acid binding. <3> MicroRNA - inhibition of the translation of messenger RNA. <4> Transfer RNA - structural component of the ribosome. <5> Small interference RNA - processing of ribosomal RNA.
[A]: 3

[Q]: Question: The negative symptomatology of schizophrenia seems to be caused by:
Options: <1> The excessive activity of some dopaminergic neural circuits. <2> The excessive activity of the GABAergic neurons. <3> The existence of brain damage. <4> Have a gene for schizophrenia that causes negative symptoms. <5> Insufficient activity of the serotonergic neurons of the frontal lobe.
[A]: 3

[Q]: Question: The deoxyribonucleotides are synthesized:
Options: <1> From the ribonucleotide triphosphate. <2> From the ribonucleotides diphosphate. <3> From NADPH. <4> By oxidation of ribonucleotides. <5> For DNA polymerase III.
[A]:
2