3. Why do we say that light is an electromagnetic wave? Describe the relationship among wavelength, frequency, and speed for light. 4. What is a photon? In what way is a photon like a particle? In what way is it like a wave? 5. List the different forms of light in order from lowest to highest energy. Is the order the same from lowest to highest frequency?
Serum: Plasma: 1: Serum is the undiluted, extracellular portion of blood after adequate coagulation is complete. Plasma is a clear, straw-colored watery portion of the blood in which several types of blood cells are suspended. 2: Serum is part of blood which lack clotting factor. Plasma is composed of serum and clotting factor. 3
As its name suggests, a serum iron test measures how much iron is in your serum. Serum is the liquid that is left over from your blood plasma when the red blood cells and the clotting elements have been removed. This test can help your doctor figure out if there is a problem with your iron levels.Especially high or low iron levels can cause a variety of vague symptoms, such as fatigue, weakness, difficulty concentrating, and moodiness. The serum iron test can reveal both unusually low and abnormally high blood iron levels.his test can help your doctor figure out if there is a problem with your iron levels. Especially high or low iron levels can cause a variety of vague symptoms, such as fatigue, weakness, difficulty concentrating, and moodiness. The serum iron test can reveal both unusually low and abnormally high blood iron levels.