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
Blood plasma is the liquid component of blood, in which the blood cells are suspended. Plasma is the largest single component of blood, making up about 55% of total blood volume. Serum refers to blood plasma in which clotting factors (such as fibrin) have been removed. Blood plasma contains many vital proteins including fibrinogen, globulins and human serum albumin.