Long before a deeper understanding of their numerous biological functions, the plant lectins, also known as phytohemagglutinins, were noted for their particular high specificity for foreign glycoconjugates (e.g. those of fungi, invertebrates, and animals). and used in biomedicine for blood cell testing and in biochemistry for fractionation.
Electromagnetic energy is a term used to describe all the different kinds of energies released into space by stars such as the Sun. These kinds of energies include some that you will recognize and some that will sound strange. They include: Radio Waves. TV waves. Radar waves. Heat (infrared radiation) Light.
X-rays are an example of electromagnetic radiation. NASA Goddard Laboratory. Electromagnetic energy or electromagnetic radiation is light. It's any self-propagating energy that has an electric and magnetic field. You can draw examples of electromagnetic energy from any part of the spectrum. Of course, there is visible light, but you could name many other examples: 1  gamma rays. 2  x rays. 3  ultraviolet light.