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: In eukaryotes, group II introns are in genes: 
 Options:  <1> Of rRNA. <2> From tRNA. <3> They encode proteins in the nucleus. <4> They encode proteins in mitochondria. <5> None is correct.

A: 4
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Q: Question: On the link between the nitrogenous base and the ribose of the nucleotides: 
 Options:  <1> The anomeric carbon of ribose is in alpha configuration. <2> It is an N-glycosidic bond. <3> It involves the C5' of the ribose. <4> It involves phosphate groups. <5> It is of a different nature for each nitrogenous base.

A: 2
****
Q: Question: Which of the following antimalarials is the one of choice for the treatment of a patient diagnosed with severe and multidrug-resistant malaria caused by Plasmodium falciparum? 
 Options:  <1> Sodium stibogluconate. <2> Primaquine <3> Chloroquine <4> Artemisinin <5> Quinine.

A:
4
****