The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially: Anemia (severe) or. Glucose-6-phosphate dehydrogenase (G6PD) deficiency or.
Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.
One possible answer, says Snell, is that it helps organisms resolve two conflicting evolutionary demands: the need to maintain working machinery for membrane fusion, and the need to evolve species-specific spermâegg interactions.