<prompt> what Type of collagen is found in bone ?Type 1Type 2Type 3Type 4  <response>: Type 1 collagen fibres,derived from tropocollagen molecules produced by osteoblasts,make up over 80 percent of unmineralized matrix. They form a network which emboides a mucopolysaccharideproteoglycansground substance and also acts as a scaffold on which the mineral component-crystalline hydroxyapatite is deposited. ref: apley;s textbook,9th edition page no.118 