Instruct: Identify the main category of Biorxiv papers based on the titles
Query: Cotranscriptional RNA strand exchange underlies the gene regulation mechanism in a purine-sensing transcriptional riboswitch
20
The categories of this paper are: pharmacology
27
The categories of this paper are: pathology
11
The categories of this paper are: cognition
12
The categories of this paper are: behavior
5
The categories of this paper are: cell
21
The categories of this paper are: toxicology
32
The categories of this paper are: zoology
25
The categories of this paper are: bioengineering
19
The categories of this paper are: epidemiology
9
The categories of this paper are: synthetic
16
The categories of this paper are: microbiology
4
The categories of this paper are: neuroscience
14
The categories of this paper are: biophysics
29
The categories of this paper are: education
22
The categories of this paper are: physiology
15
The categories of this paper are: developmental