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.
The Declaration of Independence. We hold these Truths to be self-evident, that all Men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the Pursuit of Happiness ... . These words may be the best known part of the Declaration of Independence.