________ Fibers are Stronger Than Steel When Stretched

Question

________ fibers are stronger than steel when stretched.
A) Calcium
B) Mineral
C) Elastic
D) Carbon
E) Collagen

Accepted Answer

Collagen fibers are stronger than steel when stretched because they are made up of a triple helix of amino acids that are cross-linked together. This gives them a high tensile strength and makes them resistant to stretching.