Words similar to required

Example sentences for: required

How can you use “required” in a sentence? Here are some example sentences to help you improve your vocabulary:

Thus, the structural element(s) that are required for localized evagination of membrane appears to be membrane-associated and/or "pulled" from the cytoplasm during the initial bleb formation.
Required • Requirements analysis or functional requirements document.
Patients who ordered in-the-ear devices required follow-up appointments for fittings and adjustments.
If members are required to promise not to attack each other, as the number of non-member countries declines, the alliance's military needs would diminish and hence so would its expenses.
Many copies of the titrating sequence were required to induce the ALM migration defect