I believe that it is both myosin and actin.
Answer:
The phlebotomist probably punctured an artery. Arterial blood is oxygen rich blood. The greater amount of oxygen changes the physical characteristics of this type from a purplish to bright red, cherry, changing the pH from low to high pH.
a positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. The scan uses a special dye containing radioactive tracers. These tracers are either swallowed, inhaled, or injected into a vein in your arm depending on what part of the body is being examined
