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.
Seeing the flag during the battle inspired Francis Scott Key to write the poem  Defence of Fort McHenry , which, retitled with the flag's name of the closing lines of the first stanza and set to the tune . To Anacreon in Heaven  by John Stafford Smith, later became the national anthem of the United States.