Amino acids create protiens, endless possibilities of combinations of amino acids result in a wide variety of proteins
Answer:
Simple epithelium is a single layer of cells with every cell in direct contact with the basement membrane that separates it from the underlying connective tissue. In general, it is found where absorption and filtration occur. The thinness of the epithelial barrier facilitates these processes.
Chromosomes carry genetic information of the organism
Genes transfer genetic information from parent to offspring
arisen by mutation, and found alongside chromosomes