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.
But that is a sidenote to the actual text, which foreshadows the Constitution. While the Constitution is a far more measured document, intent on establishing a legal framework for a newborn country, the Declaration of Independence has an undeniable vitality. It pulses with life and anger.