Sentence examples for different steps are required from inspiring English sources

It is proposed that at least four different steps are required for E. coli K1 invasion into brain endothelial cells: 1) initial binding, 2) tight binding/invasion, 3) host cell cytoskeletal rearrangement, and 4) intercellular trafficking [27].

Several different steps were required for both the SN38 activation towards HSA and the synthesis pathway.

As Raman and IR spectroscopy are based on two different phenomena, the signal and background noise (unwanted signals) are also different and different pretreatment steps are required.

First, plumage colors and metabolic elongation can differ across network areas – in some enzymatic sequences a single reaction step produces a different color, whereas in others more steps are required for the same color change (e.g., [ 9]).

Urgent steps are required to prevent anything like it again".

Unfortunately, numerous complex steps are required.

Before this fusion, two steps are required.

How many steps are required to get to Mars anyway?

To enhance the natural and the socio-technical water system of a region and to reduce vulnerabilities, the involvement of different stakeholder groups in the planning steps is required.

To conduct LSA, three steps were required.

Two consecutive breeding steps were required.