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.
Following is the text of the Seneca Falls Declaration of Sentiments, 1848. The paragraph numbers were not in the original, and are included to make discussions of the document easier. Source: History of Woman's Suffrage, vol. 1, by Elizabeth Cady Stanton, Susan B. Anthony and Matilda Joslyn Gage, 1887.