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'.
--------
Question: Question: The standard free energy of activation of a reaction is: 
 Options:  <1> The difference in free energy between the basal state of the products and the substrates. <2> The difference of the enthalpy minus the entropy of the system. <3> The basal energy of the substrates in a catalyzed reaction. <4> The additional free energy that molecules must reach to reach the state of transition. <5> The energy released from a catalysed reaction.

Answer: 4


Question: Question: Regarding vaccination with rubella vaccine in pregnant women, point out the correct answer: 
 Options:  <1> It should be encouraged as it is very convenient for Public Health. <2> It is the procedure of choice for the control of congenital rubella syndrome. <3> It is no longer considered as an indication of abortion. <4> It is allowed in the case of vaccines of strain RA 27/3, but not in the case of vaccines of the strain Cendehill. <5> It must be administered in conjunction with specific immunoglobulin

Answer: 3


Question: Question: The R-bands of human metaphase chromosomes: 
 Options:  <1> They contain DNA rich in AT pairs. <2> They have high gene density. <3> They contain poor DNA in GC pairs. <4> They replicate at the end of phase S. <5> They have low gene density.

Answer:
2