All the following statements regarding elastin fibers are true EXCEPT they
A) are comprised entirely of linked tropoelastin molecules.
B) are cross-linked by a system of aldehyde mediated bonds.
C) lose their tensile strength in copper deficiencies.
D) require the presence of desmosine and/or isodesmosine for mechanical function.

Question

Quizplus · Accepted Answer

Elastin fibers are not comprised entirely of linked tropoelastin molecules. They also require cross-linking by a system of aldehyde-mediated bonds and the presence of desmosine and/or isodesmosine for mechanical function. However, copper deficiencies can indeed lead to a loss of tensile strength in elastin fibers.

All the Following Statements Regarding Elastin Fibers Are True EXCEPT