Sentence examples similar to both were obligatory from inspiring English sources

Both are obligatory, of course.

Using histology, molecular markers and analysis of Celsr1 and Vangl2 mouse mutants, we conclude that though both are obligatory for normal lung development, these proteins regulate some distinct steps in airway formation.

Indeed, the activities of ROS and JNK induced by death receptors appear to be linked, both being obligatory participants in the same death-inducing pathway triggered by these receptors [ 47, 48].

This is, however, no limitation since both variables were obligatory for documentation.

On the contrary, the interactions between peptide and Glu11 and Asn62 played a key role in orientation, suggesting that both the residues were obligatory during the binding of TP5 into the binding cleft.

This being 2013, Rayban Wayfarers were obligatory on both parties.

In relation to public service retention, 3 years of public service were obligatory for both CPIRD and normal track doctors.

None of the activities were obligatory.

Liturgical prayer and manual and mental work were obligatory.

In stance and gait, theropods were obligatory bipeds.

Because we were kids, sound effects were obligatory.