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
Serum (blood) Preparation of serum cups for a lipids panel designed to test cholesterol levels in a patientâs blood. In blood, the serum (/ËsÉªÉrÉm/ or /ËsÉªrÉm/) is the component that is neither a blood cell (serum does not contain white or red blood cells) nor a clotting factor; it is the blood plasma not including the fibrinogens.