Sentence examples for be of secondary origin from inspiring English sources
Like the epidermis, the periderm is a protective tissue on the periphery of the plant body; however, because the periderm is produced by a lateral meristem, it is considered to be of secondary origin (in contrast to the primary origin of the epidermis from the protoderm).
Where fluid inclusions formed planar arrays within or cutting across crystals, they were interpreted to be of secondary origin.
If so, at least one of the 'primary' plastids may actually be of secondary origin.
In Helsinki, about half of PM2.5 was of secondary origin, that is, could be considered long-range transported; in Amsterdam and Erfurt, this was about one-third.
Around 50%% of the newly approved drugs between 1981 and 2010 were of secondary metabolite origin (Newman and Cragg 2012), emphasizing the high importance of studies in this biological field.
Due to the weak prediction performance of TargetP and ChloroP for transit peptide-like sequences of organism that are of secondary endosymbiotic origin, putative candidates were checked for N-terminal extensions by determining the conserved regions of the mature proteins by NCBI Blast search.
7 However, two studies that examined the relationship between hand OA and the risk of developing knee OA following meniscectomy found that the presence of hand OA associated with a higher frequency and radiographic severity of post-meniscectomy OA, 8 9 demonstrating that development of OA following a meniscal tear and subsequent surgery are not necessarily of secondary origin.
Green plastids of secondary origin are known to be found in three distinct algal lineages: the chlorarachniophytes, the photosynthetic euglenids and in the dinoflagellate genus Lepidodinium.
This would be the case if, say, the cryptophyte plastid was of secondary, red-algal origin and the haptophyte plastid of tertiary, cryptophyte origin.
