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: All the following statements describe characteristics of the peptide link EXCEPT: 
 Options:  <0> It has a trans configuration. <1> It is polar but without charge. <2> It forms a single bond by directly joining the α carbons of adjacent amino acids. <3> It does not present rotation around the link. <4> Is flat.

SOLUTION: chemistry

PROBLEM: Question: Which of the following administration routes are commonly used for drugs of a peptide and protein nature ?: 
 Options:  <0> Oral. <1> Intravenous, intramuscular and subcutaneous. <2> Oral, intravenous and subcutaneous. <3> Oral, intranasal and inhalation. <4> Oral, intramuscular and intranasal.

SOLUTION: pharmacology

PROBLEM: Question: Acetyl-CoA: 
 Options:  <0> It is synthesized from pyruvate in the eukaryotic cytoplasm. <1> It has a phosphate bond rich in energy. <2> Presents a guanine nucleotide in coenzyme A. <3> Activates pyruvate carboxylase and inhibits pyruvate dehydrogenase. <4> It easily crosses the mitochondrial inner membrane.

SOLUTION:
biology