Which of these statements about collagen in the bone extracellular matrix (ECM) is FALSE?
A) Collagen fibers contribute to the tensile strength of the bone.
B) Collagen fibers are responsible for the hardness of the bone.
C) Collagen fibers make up approximately 30% of the bone ECM.
D) The flexibility of a bone depends on collagen fibers.
E) Collagen fibers can be compared to the metal reinforcing rods in concrete structures.

Question

Quizplus · Accepted Answer

Collagen fibers are not responsible for the hardness of the bone; they contribute to the tensile strength and flexibility. The hardness of the bone is primarily due to the mineral components, such as hydroxyapatite.

Which of These Statements About Collagen in the Bone Extracellular