Respuesta :
Ans.
Connective tissue is defined as tissue that connects body organs and tissue and provides them support.These tissues are mainly made up of three types of components, cells, ground substance or matrix, and protein fibers (collagenous and elastin fibers).
The property that makes it able to function in binding of tissues and body organs is presence of collagen protein fibers.These fibers are made up of thin collagen filaments that provides support for the tissue and the organs, to which it connects.
Thus, the correct answer is option option). 'mostly made up of protein fibers.'