Cytoplasm: This internal soup of the bacterial cell is bounded on the outside by the cell envelope. The cytoplasm is mostly water, but within it are the bacterial inclusions-nucleoid, plasmids, ribosomes and storage granules-as well as the components necessary for bacterial metabolism.
Urine color changes can also be a symptom of an underlying disease, disorder or condition, such as dehydration, urinary tract infection, and kidney trauma or injury.
If you haven't had any foods that may cause the dark yellow urine color, then there are some illnesses that can show symptoms such as dark yellow urine color. 1  Blood in the urine, also known as Haematuria, can cause darker urine. 2  Haemolytic Anemia can cause dark yellow urine color.