TASK DEFINITION: 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: The tRNA-aminoacyl-transferases: 
 Options:  <1> They link the amino acid to the ribosome. <2> They bind the amino acid to the anticodon of the tRNA. <3> They are RNA polymerases. <4> They guarantee the fidelity of the translation. <5> They are not important in the translation.

SOLUTION: 4

PROBLEM: Question: In the oxaciclohexane-type conformer of sugar -D - (+) - glucopyranose: 
 Options:  <1> One of the OH- groups is axial, but the remaining substituents are equatorial. <2> The CH2OH group is axial but the remaining groups are equatorial. <3> All groups are axial. <4> All groups are equatorial. <5> The CH2OH group is equatorial but the remaining groups are axial.

SOLUTION: 4

PROBLEM: Question: The atomic mass of carbon is: 
 Options:  <1> The mass of 6.02.1023 carbon atoms, all of them being from the 12C isotope. <2> The mass of 6,022,103 carbon atoms, averaged according to the natural abundance of its isotopes. <3> The twelfth part of the mass of a carbon atom of the 12C isotope. <4> The sum of the mass of 6 protons, 6 neutrons and 6 electrons. <5> The mass of 12 protons.

SOLUTION:
2