The phrase "are major differences in" is correct and usable in written English.
It can be used when discussing or comparing distinct characteristics or variations between two or more subjects.
Example: "There are major differences in the way each country approaches environmental policy."
Alternatives: "there are significant distinctions in" or "there are considerable variations in".
However, there are a number of ribosomal proteins that have been found to be differentially expressed upon different treatment and in different tissues [ 42], suggesting that there are major differences in expression patterns between different ribosomal proteins.
This finding suggests that there are major differences in the genome structures of different accessions, which are all classed as S. lycopersicum var.
Our results suggest that there are major differences in the duration of ICU visits in different world regions.
There are major differences in the cytoplasmic domains of Sn of different species, both in amino acid sequence and length.
Despite consistently high levels of variation, there are major differences in the genomic organization of MHC genes in different vertebrate groups.
There are major differences in opportunities for men and women, there is disdain of homosexuality and American black culture is simultaneously appropriated and disliked.
McNeil and others say there are major differences in how men and women approach being walk-ons, and that complicates the roster management issue.
There are major differences in the history of socialist parties and ideas in Europe compared to the United States – it doesn't have the sour tinge the term retains here across the pond.
But there are major differences in the scope.
The experimental results demonstrate that already in an early stage of deposition there are major differences in the developing textures.
Table 4 shows that, at this level of analysis, there are major differences in the percentages of CHRO presence.
