Sentence examples for which often constitutes from inspiring English sources

The conformation of the second extracellular loop, which often constitutes the top of the ligand binding site, is, however, quite different in the two structures.

In soldiers of many termite species in the families Rhinotermitidae, Serritermitidae and Termitidae, the frontal gland is a prominent organ, which often constitutes their major or only weapon.

Library based repeat masking which often constitutes a computational bottleneck in the EST analysis pipeline can therefore be reduced to species specific repeat libraries, or perhaps eliminated entirely.

To increase substrate accessibility, which often constitutes a bottleneck in developing whole-cell biocatalyst systems, we directed AldO to the periplasm or cell surface of E. coli.

Then as the polymerase proceeds to elongate through the gene body (GB), intronic RNA, which often constitutes the majority of the primary transcript in mammalian genes, is removed by a splicing mechanism involving the stepwise assembly of a complex set of small RNA (snRNA) and associated proteins that together make up the spliceosome (Wahl et al., 2009).

Finally, it is possible that LINEs, which often constitute a large part of a genome, tend to evolve to become a regulatory element after insertion, rather than generating regulatory novelty on insertion.

This mode is typical of primary-care providers, such as community health centres, which often constitute a patient's first encounter with the healthcare system.

The ABC transporters which have two NBDs and two TMDs are called full transporters, whereas those with one NBD and one TMD are called half transporters, which often constitute a functional unit by forming a homo- or heterodimer [ 6].

The top soil starting depth is recorded as 5 cm to take account of any non-soil vegetative/grass roots, which often constitute the first few centimetres of the soil profile and have to be removed.

TAMs, which often constitute a major part of leukocyte infiltrates present in the tumor microenvironment, have been shown to enhance the tumor growth and metastasis of various cancers [ 26- 28].

If the negative effects of road networks on biodiversity are now recognized, their role as barriers, habitats or corridors remain to be clarified in human altered landscapes in which road verges often constitute the few semi-natural habitats where a part of biodiversity important for ecosystem functioning may maintain.