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.
border. 1  the part or edge of a surface or area that forms its outer boundary. 2  the line that separates one country, state, province, etc., from another; frontier line: You cannot cross the border without a visa. 3  the district or region that lies along the boundary line of another. 4  the frontier of civilization.