TASK DEFINITION: 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.
PROBLEM: Question: In the synthesis of DNA, the quinolones act: 
 Options:  <0> Joining the double helix and thus blocking the progress of the replication fork. <1> Interlacing in the double helix and thus causing errors in the transcription. <2> On DNA gyrase. <3> As nucleotide analogs that are incorporated into DNA. <4> About DNA polymerases.

SOLUTION: biology

PROBLEM: 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

SOLUTION: chemistry

PROBLEM: Question: The FAB (antibody fragments that bind antigens) are used as antidotes to poisoning by: 
 Options:  <0> Digoxin <1> Barbiturates <2> Derived amphetamines. <3> Salicylates. <4> Antihistamines

SOLUTION:
pharmacology