The majority of chemolithotrophs are able to fix carbon dioxide (CO2) through the Calvin cycle, a metabolic pathway in which carbon enters as CO2 and leaves as glucose. For some substrates, the cells must cull through large amounts of inorganic substrate to secure just a small amount of energy.
By Mayo Clinic Staff. Borderline personality disorder is a mental health disorder that impacts the way you think and feel about yourself and others, causing problems functioning in everyday life. It includes a pattern of unstable intense relationships, distorted self-image, extreme emotions and impulsiveness.
Definition of border. 1  1 : an outer part or edge at the borders of the forest. 2  2 textiles : an ornamental design at the edge of a fabric or rug. 3  3 : a narrow bed of planted ground along the edge of a lawn or walkway a border of tulips. 4  4 : boundary on the border between New York and Canada crossed the border into Italy.