Some isotopes are radioactive, which makes them suitable for medical imaging procedures. Radioactive isotopes have found a wide range of use in medicine. For example, they are used as tracers for diagnostic as well as research on metabolic processes. They are also used in medical imaging procedures, these isotopes include fluorine-18, gallium-67 among many others.
2 is correct all animals have a similar goal is survive and reproduce
Reabsorption occurs during the movement of substances from the proximal convoluted tubule to the distal convoluted tubule..... in the kidney
C. A start codon sequence
