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 general, allosteric enzymes: 
 Options:  <1> They link the effectors in the active center. <2> They form covalent bonds with their negative effectors. <3> They originate hyperbolic curves of speed before the concentration of substrate. <4> They change their conformation when they link effectors. <5> They are irreversibly modified when they are inhibited.

A: 4
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Q: Question: It has superficial cells with abundant glycogen: 
 Options:  <1> Language. <2> Esophagus. <3> Thin skin <4> Vagina. <5> Thick skin.

A: 4
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Q: Question: According to the results studies, when the Exposure technique is being applied, it must be taken into account that massive and prolonged exposure produces: 
 Options:  <1> Worst immediate results than spaced exposure. <2> Better immediate results than exposure spaced. <3> There are no differences in results regarding the type of exposure. <4> Worst immediate results if done in more than a day. <5> Best immediate results only in patients with depression.

A:
2
****