[Solved] The amino acid 5-hydroxylysine is found in collagen.Which of the following represents the structure of this unusual amino acid? A)I B)II C)III D)IV E)None of the structures represent 5-hydroxylysine. Specimen Testing: The analysis of a sample of body tissue or fluid to diagnose or monitor health conditions. Microscopic Examination: The analysis of small objects or structures that cannot be seen with the naked eye, using a microscope. Epithelial Cells: Cells that line the surfaces of the body, such as skin, blood vessels, urinary tract, and organs, providing protection, absorption, and secretion functions. Bacteria: Microscopic, single-celled organisms found in virtually every environment on Earth, some of which are beneficial while others can cause diseases.