Legal Approvals: Regulatory requirements vary across states and often constitute a primary source of concern for edupreneurs.
Plant cell walls can constitute a primary source of nutritional energy for ruminants.
Rice (Oryza sativa) is a staple crop that is cultivated worldwide and constitutes a primary source of human food.
Cells contain 100 to 10 000 copies of mtDNA that constitute a primary source of DNA in ancient specimens.
Such water is often shared by humans, livestock and wildlife, and thus constitutes a primary source of numerous infections including NTM.
In general in our pollen sequencing libraries we observed high fraction of singletons which have been shown to constitute a primary source of transposable elements [ 63].
The letters constitute a primary historical source such as exists for no other part of the ancient world.
Nicephorus Gregoras, Nicephorus also spelled Nikephoros (born c. 1292, Heraclea Pontica, sultanate of Rūm [now Eregli, Turkey] died c. 1360, near Constantinople, Byzantine Empire [now Istanbul, Turkey]) Byzantine humanist scholar, philosopher, and theologian whose 37-volume Byzantine History, a work of erudition, constitutes a primary documentary source for the 14th century.
Often what constitutes a primary or secondary source will depend on your purpose or field.
Plants constitute a primary and large source of various chemical compounds including alkaloids, flavonoids, phenolics, tocopherols, organic acids, triterpenes, and isothiocyanates.
