In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: The binding of O2 to hemoglobin: 
 Options:  <0> Follow a hyperbolic kinetics. <1> It favors the transition from Fe2 + to Fe3 + in the heme group of the protein. <2> Induces the deprotonation of the protein. <3> It is facilitated in the presence of 2,3bisphosphoglycerate. <4> It is carried out through a covalent interaction with Fe3 +.
pharmacology

Question: Which of the following antifungals is used in the treatment of invasive aspergillosis and severe candidiasis including Candida krusei and Candida glabrata ?: 
 Options:  <0> Voriconazole <1> Miconazole <2> Ketoconazole <3> Fluconazole <4> 1 and 3 are correct.
pharmacology

Question: Among the characteristic components of the adaptive immune system are: 
 Options:  <0> The epithelial cells. <1> The macrophages. <2> The NK lymphocytes. <3> C-reactive protein <4> The B lymphocytes

biology