Carbon fixation, a fundamental process for life, involves converting carbon dioxide from the air or water into organic molecules. Various life forms, including plants, bacteria, and archaea, ...
Rhizobial symbiosis refers to the mutually beneficial relationship that forms between plants and soil bacteria that fix nitrogen, termed rhizobia. This study describes ultrastructural changes and ...
A second portion was quickly frozen in liquid nitrogen and either frozen or paraffin wax embedded ... vessels changes caused by occlusion or vasculitis induced by longstanding cryoglobulin ...