The p51 is believed to play mainly a structural role.

It is important to stress how these changes - whatever their merits - have played a structural role in helping sustain an underclass.

Scientists used to think hyaluronan had just a physical, structural role.

Or do two days of down time play a structural role in children's development?

These functions can be broadly divided into structural and regulatory roles.

Even when tracheids do take a structural role, they are supported by sclerenchymatic tissue.

The focus, however, remained on the structural role of the column.

Arabinoxylans chiefly serve a structural role in the plant cells.

Sphingomyelin has significant structural and functional roles in the cell.

The 20 amino acids can be classified according to the chemistry of the side chain which also plays an important structural role.