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.
What happens during the Calvin cycle? The Calvin cycle occurs in three phases. During the first phase, carbon fixation, carbon dioxide enters the cycle. An enzyme called RuBP carboxylase fixes carbon into ribulose biphosphate, which is a five-carbon sugar abbreviated as RuBP.