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'.
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Question: Question: Which of the following sequences is added during the maturation or processing of the eukaryotic transfer RNA ?: 
 Options:  <1> Splicing site 5 'of the intron. <2> CCA sequence of amino acid charge. <3> Anticodon <4> 3 'splicing site of the intron. <5> Leading sequence of the 5 'end.

Answer: 2


Question: Question: In mammals, Toll-like receptors (TLRs) are receptors: 
 Options:  <1> Signaling. <2> Antigenic <3> Of histocompatibility alleles. <4> Of phagocytosis. <5> Of chemokines.

Answer: 1


Question: Question: They are primary lymphoid organs: 
 Options:  <1> Spleen and lymph nodes <2> The spleen and bone marrow. <3> The thymus and the bone marrow. <4> The pineal gland <5> Peyer's plates and tonsils.

Answer:
3