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: The denaturing of DNA:
Options: <1> It increases when the temperature decreases. <2> It is accompanied by an increase in the absorption of UV light. <3> DNA with high G / C content does so at a lower temperature than those rich in A / T. <4> It is irreversible. <5> Indicates the hydrolysis of phosphodiester bonds.
2

Question: Which of the following molecules has the highest dipole moment ?:
Options: <1> HCI. <2> NH3. <3> HF. <4> CO2 <5> Trans-CHCI = CHCI.
3

Question: The antiviral tamiflu that is used against the bird flu virus acts:
Options: <1> Inhibiting viral neuraminidase. <2> Inactivating the viral protease responsible for the processing of capsomere precursors. <3> Preventing the decapsidation of viral particles. <4> Blocking the interaction of viral particles with their cellular receptor. <5> Altering the activity of the viral DNA polymerase.
1