Opacity (optics) Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc.
Answers.comÂ® is making the world better one answer at a time. during Calvin Benson cycle carbon dioxide from the air is used to produce glucose and other compounds.
Quick Answer. The reactants in the Calvin cycle are carbon dioxide, water and a sugar with five carbon atoms known as ribulose. The enzyme catalyst RuBisCo and energy donators aAdenosine triphosphate, or ATP, and nicotinamide adenine dinucleotide phosphate, or NADPH, are necessary for the reaction but aren't reactants in the technical sense.