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: How are the proteins involved in the DNA curl and compaction called ?: 
 Options:  <0> Kinases <1> Topoisomerases <2> Histones. <3> Phosphatases <4> DNA nucleases
chemistry

Question: The reaction of 1H-indole with electrophiles takes place selectively on the atom in position: 
 Options:  <0> one. <1> two. <2> 3. <3> Four. <4> 5.
chemistry

Question: In a patient with liver cirrhosis, which of the following is the most useful procedure for measuring the response of ascites to diuretic therapy? 
 Options:  <0> Measure the volume of urine for 24 hours. <1> Measure the abdominal perimeter daily. <2> Determine each week the albumin gradient between serum and ascites. <3> Record the weight every day. <4> Evaluate natriuresis every 48 hours.

medicine