To solve this, you would need to identify the number of amino acids (20) you are dealing with and the number of positions (8) that are available in your polypeptide. so that would come out to 20 x 20 x 20 x 20 x 20 x 20 x 20 x 20 = 20^8
The phase of the skin regeneration which includes migrating epithelial cells beneath the scab, the dissolving of the clot, and reduced phagocytic activity is Proliferation. A proliferation is the production or growth of cells by multiplying the parts and proliferation is also the rapid increase of the cells.
The answer to this would be D: physical components of the environment, such as rocks and sand. The word "biotic" mean all the living organisms within an ecosystem such as plants and animals.