Sentence examples for A is indispensable from inspiring English sources

Retinoic acid (RA), the active metabolite of vitamin A, is indispensable for normal morphogenesis and organogenesis of most vertebrate species.

To explore this, we inhibited the expression of cyclin A in OS cells and demonstrated that cyclin A is indispensable for the G1/S transition and proliferation of OS cells.

But decline and fall is not necessarily a sign that a leader is indispensable.

Definitely a digital scale that goes to 1/10 of a gram is indispensable in my kitchen.

And if management determines a player is indispensable — ca-ching!

The times when a smartwatch is indispensable is still quite small, mainly around notifications.

When you are on the move and you need to take notes, a pen is indispensable.

It is impossible to repeat too often that a clinometer is indispensable to all road planning.

To achieve these goals, a tutor is indispensable to appropriately support the learners.

For quickly marking openings for lights, outlets etc a square is indispensable.

A medical expert is indispensable to a medical malpractice case.