Instruct: Identify the main category of Biorxiv papers based on the titles
Query: Multi-elemental isotope and analog tracer application to measure nutrient uptake and distribution in Malus domestica Borkh.
27
The categories of this paper are: pathology
31
The categories of this paper are: paleontology
18
The categories of this paper are: systems
26
The categories of this paper are: biochemistry
28
The categories of this paper are: communication
8
The categories of this paper are: genomics
5
The categories of this paper are: cell
14
The categories of this paper are: biophysics
12
The categories of this paper are: behavior
32
The categories of this paper are: zoology
19
The categories of this paper are: epidemiology
21
The categories of this paper are: toxicology
25
The categories of this paper are: bioengineering
29
The categories of this paper are: education
15
The categories of this paper are: developmental
30
The categories of this paper are: scientific