Sentence examples for marks are required from inspiring English sources

Therefore, it was concluded that these marks are required for MYC binding to E boxes [25].

Various and specific epigenetic marks are required during male gametogenesis for proper maturation of gametes.

By utilizing the available mutants in the Col ecotype that affect DNA methylation and/or histone modifications, we next determined which epigenetic marks are required to maintain the silenced state of LUC'.

The study by Wang et al showed that H3K4 methylation is needed for acetylation of H3K9 and that both marks are required for the recruitment of RNAPII, but not sufficient for the elongation [ 46].

It has been argued that the co-occurrence of multiple epigenetic marks is necessary for specific chromatin-triggered processes [ 107, 108] and that combinations of multiple marks are required to reliably identify tissue-specific enhancers and direct TFs to specific chromatin regions [ 88].

This might also explain why students from the Engineering and Technology School (commonly higher pass marks are required in the national entry exams) were found to be at a higher risk of depressive symptoms compared to students from other departments, e.g. the Nursing Department [ 26].

This gene is not expressed in either cell type, suggesting some other mechanism, for example activating histone marks is required for the activation of this gene.

Three pairs of BraceBars placed 1 cm from the endoluminal APC marks were required to invert the area, and the inversion site was oversewn laparoscopically.

Therefore, faithful maintenance of methylation marks is required during spermatogonial stem cell division and renewal and the further rounds of DNA replication before and after meiosis.

This difference between the reprogramming of Nanog−/− pre-iPS and Nanog−/− EpiSCs highlights the dual activity that Nanog exerts during reprogramming, with only the transcriptional upregulation of silent target genes, and not the reversion of methylation marks being required for EpiSC reprogramming.

Here is some clever, ready-to-print times tables settler activity and, what's more, no marking is required – students work out the solutions to 20 questions and cross out their 20 answers on the grid.