The phrase "are essential for completion" is correct and usable in written English.
It can be used when discussing the importance of certain elements or components that are necessary to finish a task or project.
Example: "The following documents are essential for completion of your application: proof of identity, financial statements, and references."
Alternatives: "are crucial for finalization" or "are necessary for fulfillment."
Rather, a mixture of stem cells, lineage-limited stem/progenitors and differentiated epithelial cells are essential for completion of a functional mammary stem cell niche and are likely to be represented among this population.
The CCAP/bursicon neurons are essential for completion of two events in the life cycle: pupal ecdysis, at the onset of metamorphosis, and wing expansion, which occurs after metamorphosis is completed and the adult has eclosed (McNabb et al., 1997; Park et al., 2003).
Polyprotein cleavage products include the structural proteins (the nucleocapsid protein core and the envelope glycoproteins E1 and E2) and nonstructural proteins (p7, NS2, NS3, NS4A, NS4B, NS5A, and NS5B) involved in various processes which are essential for completion of the HCV life cycle [ 14].
Indeed, of the nearly 6.2 GW of newly installed wind energy projects that elected the cash grant incentive, the LBNL analysts discount nearly 60% of them as projects for which the grant may not have been essential for completion (e.g. projects were already completed or would have otherwise been able to utilize the production tax credit, or PTC, to help finance the projects).
Parasite motility is considered to be essential for completion of this stage development process within the tsetse fly vector.
In this scenario, however, LR8 is envisioned to be essential for completion of oocyte growth.
We thank all clinicians and health care workers involved in AFP surveillance and the ANZPIC Registry whose involvement in the respective schemes was essential for completion of the study.
We showed previously that PfCK2α is essential for completion of the erythrocytic asexual cycle [ 19], but neither the requirement of the β subunits for viability nor the cellular processes implicating the enzyme have been assessed.
Future studies on molecular actions of HIV-1 Rev are important because expression of HIV-1 Rev protein is essential for completion of the viral life cycle [ 78, 81].
The lysosomal system is essential for completion of autophagy-initiated protein and organelle degradation and there is increasing evidence that lysosomal dysfunction is another important process in a variety of neurodegenerative diseases, including AD, PD, HD, and ALS [89].
We observed that I/R inhibited in both hepatocytes and LSECs ATP synthesis downmodulating the regulatory subunit B of ATP synthase and also affecting the catalytic subunit A that is essential for completion of the synthase activity.
