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.
Declaration of Independence, a painting by John Trumbull depicting the Committee of Five presenting their draft of the Declaration of Independence to the Congress on June 28, 1776. Trumbull's painting appears on the reverse of the United States two-dollar bill.