Indicate Whether Each of the Following Descriptions Better Applies to Glycosaminoglycans

Short Answer

Indicate whether each of the following descriptions better applies to glycosaminoglycans (G), fibrous proteins (F), or glycoproteins (P) of the extracellular matrix in animal cells. Your answer would be a six-letter string composed of letters G, F, and P only, e.g. GFPGFP.
( ) They include laminin and fibronectin.
( ) They primarily include collagens.
( ) They include hyaluronan.
( ) They are found in proteoglycans.
( ) They occupy large volumes and form hydrated gels.
( ) They constitute the major proteins of the matrix.