Sentence examples for are required for normal from inspiring English sources

The sulphur containing amino acids cysteine and methionine are normally present in high amounts in animal flesh and are required for normal feline development [ 24, 25].

Scientists suspect that the enzyme and its major metabolite called 2-methoxyestradiol (2-ME) are required for normal formation and function of placental vasculature.

The S. cerevisiae activity required the telomerase RNA gene TLC1 but not the EST1 gene, both of which are required for normal telomere maintenance in vivo.

The overload due to functioning of less number of components which are required for normal operation also causes the adverse effect on the performance of the machining system.

Specific roles for each of the ERs in the ovary have yet to be established, despite ER knockout studies indicating both are required for normal function.

Essential genes which are required for normal nuclear migration and play a role in developmental processes have been isolated from model genetic organisms.

The maintenance and secretion of the fluid are required for normal lung development [2].

Low levels of free radicals are required for normal muscle contraction and metabolism (reviewed in [1], [4]).

Members of the class IV POU domain proteins are required for normal differentiation and survival of several neuronal populations [37].

Mechanical forces generated from muscle contractions are required for normal development of several aspects of normal skeletogenesis.

Whether hemodynamic forces and shear stresses resulting from blood flow are required for normal early cardiac development is controversial.