A fluids shape is determined by what it is being contained in. For example, the shape pf 500mL of water is determined by the shape of the bottle that it is kept in.
The container determines the shape.
H+
The gene sequence determines the codon, which in turn determines the aminoacid, which in turn determines the tridimensional shape on the protein, which in turn determines the shape of the active site, which in turn determines what it'll be catalysing.
angles
The order of amino acids for each protein determines its final three-dimensional shape
Electrolytes!
electrolytes
the interactical shape of its form would be the growth of it.
Fluids
Substances which take the shape of a container are said to have an "Indefinite Shape" or fluids
the system its part of
It determines the shape of the cell.