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For the form of anemia, see Hypochromic anemia. A corn plant with severe chlorosis (left) beside a normal plant (right). In botany, chlorosis is a condition in which leaves produce insufficient chlorophyll. As chlorophyll is responsible for the green color of leaves, chlorotic leaves are pale, yellow, or yellow-white.n viticulture, the most common symptom of poor nutrition in grapevines is the yellowing of grape leaves caused by chlorosis and the subsequent loss of chlorophyll.
Each of purineâs two rings contains two nitrogen atoms, or a total of four nitrogen atoms for the complete molecule. Other atoms in purineâs makeup include carbon and hydrogen. Purine is also known as a heterocyclic molecule because its closed rings each contain at least two different kinds of atoms. Purines and Gout Gout is a painful form of arthritis that occurs when excessive levels of uric acid build up in the body. Uric acid crystals accumulate in joints, causing inflammation and pain. Because uric acid is a byproduct of purine digestion, gout patients are generally urged to reduce their consumption of high-purine foods. Although purines play an important role in the body, too many of them can cause health problems.