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: The RISC complex (RNA-induced silencing complex) of RNA silencing based on interference RNA: 
 Options:  <1> It degrades the guide strand of the small interfering RNA molecules (siRNA). <2> It recognizes defective proteins and promotes their degradation. <3> It has a structure similar to the ribosome, formed by numerous RNAs and proteins. <4> It is formed, among others, by the Dicer protein, a type III ribonuclease. <5> It is part of both the interference mechanism of the siRNA and the microRNA.
[A]: 5


[Q]: Question: In the receptor-mediated endocytosis intervenes: 
 Options:  <1> Only the clathrin. <2> Only the adaptin. <3> Adaptine and clathrin. <4> Chaperones <5> Only the proteins of the membrane.
[A]: 3


[Q]: Question: The excitotoxins activate: 
 Options:  <1> Nicotinic receptors <2> GABAA receptors <3> Glycine receptors. <4> NMDA receivers. <5> Na + channels dependent on voltage.
[A]:
4