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: Acetylation of histones affects transcription: 
 Options:  <0> Blocking the incorporation of other components of the transcription machinery. <1> Preventing the remodeling of chromatin. <2> Facilitating the action of helicases. <3> Decreasing sensitivity to nuclear receptors. <4> Reducing the affinity of histones for DNA.

SOLUTION: chemistry

PROBLEM: Question: The primosome: 
 Options:  <0> It is also called primasa or Dna G protein. <1> It is the complex responsible for the synthesis of the Okazaki fragments. <2> It is a bacterial DNA ligase. <3> It is located in the mitochondria. <4> It is a functional unit of the bacterial replication complex.

SOLUTION: chemistry

PROBLEM: Question: Sulfasalazine is used for the treatment of ulcerative colitis. It is a prodrug of 5-aminosalicylic acid that is activated by a process of: 
 Options:  <0> Hydrolysis of an ester. <1> Hydrolysis of an amide. <2> Oxidative dealkylation. <3> Reducing rupture of the azoderivative. <4> Aromatic hydroxylation.

SOLUTION:
pharmacology