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 Sentiments. The Declaration of Sentiments, also known as the Declaration of Rights and Sentiments, is a document signed in 1848 by 68 women and 32 menâ100 out of some 300 attendees at the first women's rights convention to be organized by women. The convention was held in Seneca Falls, New York, now known as the Seneca Falls Convention.