The phrase "and represent a vast" is correct and usable in written English.
It can be used when describing something that signifies or embodies a large quantity or extent of something.
Example: "The findings of the study and represent a vast improvement in our understanding of climate change."
Alternatives: "and signify a large" or "and denote a significant".
The Theodosian code was instituted in the fifth century CE, and represented a vast shift away from the old model of Graeco-Roman polytheism.
The majority (≈ 98%) of cellular transcripts is not translated into proteins and represents a vast, unchartered world of functional non-coding RNAs.
Plant-based antimicrobials and antibacterials represent a vast untapped source for medicines and hence have enormous therapeutic potential.
From an epidemiologic point of view the above-mentioned solid cancers (breast, endometrium, ovary, esophagus, stomach, colorectum, and pancreas) represent a vast share of both incidence and mortality for cancer worldwide [ 20] and 2(b)).
Optimization methods and applications represent a vast literature.
Hispanics are the most populous minority group in the country — and they represent a vast potential constituency for the Mormon church, which has already made considerable efforts to develop strong relations with Hispanic communities.
What's less appreciated is that these men and women represent a vast pool of talent just waiting to be tapped by the technology sector, as well as other industries.
There are many academic contextualized screening centres across the world, each with different specializations and remits and, collectively, they represent a vast transfer of knowledge and technology bases from industry into academia.
Yet for those who get caught, and they too represent a vast and expanding swath of society, redemption does not come so easily.
However, despite their remarkable potency and high degree of target specificity, only in the last decades have toxins been increasingly used as pharmacological tools, and it has been realized that venoms represent a vast and essentially untapped resource of preoptimized lead molecules for the medicinal chemist [ 12- 17].
