The phrase "and constitute a sizeable" is correct and usable in written English.
It can be used when discussing the significance or impact of a particular group or element within a larger context.
Example: "The new policies are expected to attract a diverse range of participants and constitute a sizeable portion of the overall budget."
Alternatives: "and make up a substantial" or "and represent a significant".
Foods including rice, rice-based products, and apple juice also can be contaminated with inorganic arsenic, and diet may constitute a sizeable proportion of some people's total exposure.
Lepchas, native to the land, and Bhutias also constitute a sizeable portion of the populace.
North Indians, who dominate 48 essential services in Mumbai, constitute a sizeable — and hence decisive — vote bank.
It is possible that official statistics on doctors may be underestimated or overestimated, especially in the context of a rapidly growing private health sector and with the inclusion of clinical practitioners without advanced medical training, who constitute a sizeable proportion of the Chinese health workforce [ 18, 19].
In spite of the relatively low Alu density, on-Alu BMs do constitute a sizeable fraction of the putative BMs that are found in the 500 bp long upstream region (Fig. 3 and Table 6).
12 The first study aim was to examine whether patients with post-surgical complications are likely to constitute a sizeable proportion of patients with disabling hip joint osteoarthritis hospitalized at any point in time for hip joint surgery.
Multiallelic CNVs (greater than 2 possible haploid copy number [ Conrad et al. 2010]) constitute a sizeable fraction of large CNVs, are highly enriched with gene content, and are closely associated with segmental duplications by virtue of their prevalent duplicated alleles (Redon et al. 2006; Conrad et al. 2010).
Japanese birth rates are 62.5 and 67.9 per 1,000 females in their 20's and 30's, respectively [20], [21], and this constitutes a sizeable subpopulation of pregnant women, even if the Japanese birth rate is not as high as in some developing countries.
Cornish identity was embraced strongly in the Yorke Peninsula, but also in the more outlying mining towns of Kapunda and Burra, where Cornish miners constituted a sizeable community.
