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: Stimulates the separation of DNA strands during replication: 
 Options:  <1> Primasa <2> DNA ligase. <3> The single chain DNA binding proteins. <4> Helicasa <5> DNA polymerase I.
[A]: 4


[Q]: Question: Which of the following molecules has a simple covalent bond? 
 Options:  <1> C2. <2> N 2 <3> O 2 <4> O 3. <5> F 2
[A]: 5


[Q]: Question: The heating of trans, cis, trans-2,4,6octatriene results in: 
 Options:  <1> trans, trans, trans-2,4,6-Octatriene. <2> cis, cis, cis-2,4,6-Octatriene. <3> There is no reaction. <4> trans-5,6-Dimethyl-1,3-cyclohexadiene. <5> cis -5,6-Dimethyl-1,3-cyclohexadiene.
[A]:
5