1. A few example of high protein substances in nature are animal products, meat, milk, milk products, egg. Think of things that have over 20 grams of "protein" commonly meats have such high protein concentration due to the fiber and tissue formation.
2. To say they are similar would be a contradiction but for the sake of this assignment, the amino acid sequence which is the primary structure are identical in overall STRUCTURE.
3. Look up a protein structure and see what it does.
The following that is a characteristic that could be applied to both living and nonliving things can contain mostly carbon, hydrogen, oxygen, and nitrogen.
Your body cells use the oxygen you breathe to get energy from the food you eat. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs
