What type of organic molecule is gelatin? gum arabic? what is the function of these types of organic molecules in unicellular organisms?

Organic molecule gelatin, is a type of protein it is a large molecule that is made of amino acids. Or we can say that is a an amphoteric protein, amphoteric substance is the substance that can behave as an acid or a base while gum arabic is a carbohydrate and these types of organic molecules transport energy in unicellular organism. So, gelatin and gum arabic transport energy in unicellular organism.