Question

proteins
structural proteins play a critical role in building and maintaining the physical structures of organisms. they provide strength, support, and shape to various tissues and organs.
examples of structural proteins include collagen in connective tissue, which gives skin and bones their resilience, and actin and myosin in muscle cells, responsible for muscle contraction and movement. structural proteins help form the framework for biological structures, ensuring their integrity and functionality
cytoskeleton
image of cytoskeleton components and cell examples
what is a structural protein in connective tissue?
options: collagen, crystallin, clusterin

Explanation:

The text states that examples of structural proteins include collagen in connective tissue. Crystallin is related to eye lens structure, and clusterin has other functions. So the structural protein in connective tissue is collagen.

Answer:

A. collagen