Proteins are naturally occurring polypeptides. They: 1  contribute to the mechanical structure of animals, including humans, e.g. keratin in hair and fingernails, and fibrous proteins such as collagen in tendons.  enable animals to move, e.g. myosin in muscle.
The Declaration of Sentiments can be best described as a document that demanded equality for women based on the ideas in the Declaration of Independence. The correct option among all the options that are given in the question is the first option. I hope the answer comes to your help.
Signers of the Declaration of Sentiments. On Thursday, July 20, 1848, at the morning session on the second day of the First Women's Rights Convention, sixty-eight women signed the Declaration of Sentiments under the heading, Firmly relying upon the final triumph of the Right and the True, we do this day affix our signatures to this declaration. Lucretia Mott.