Examples are essential for students to understand concepts (NRC, 2005), so instructors should routinely show students nucleotide sequences that affect traits being discussed.
Ascl1, for example, is essential during embryogenesis for neural differentiation [5], is homologous to proneural genes in Drosophila [6], and functions counter to Notch signaling to balance progenitor and differentiation states [5].
Transcriptional factor sox9, for example, is essential for morphogenesis of condensation and cartilage differentiation in zebrafish (Yan et al. 2002) and regulates the expression of miR-140 (Nakamura et al. 2012).
Experts on both sides of the debate say adherence to strict infection-control and universal precautions — always wearing gloves when drawing blood, for example — are essential to protect both worker and patient.
Superior spatial analysis and memory, for example, was essential for the caveman to hunt and then find his way back home.
The expansion of the national level government at the expense of various local and state level governments in the 1960s, for example, was essential to ending what had been roughly a century of American apartheid.
For example, argD is essential in the data of [ 32] according to the broad essentiality criteria of [ 6], but EcoCyc 18.0 GEM predicts that it is nonessential.
For example, it is essential for the burrowing abilities of annelids and related phyla.
If you are intending to use pallet trucks or fork lift trucks, for example, it is essential the floor can withstand this level of stress on a daily basis.
