go_id,ontology,go_term,term_definition,evidence GO:0000139,CC,"Golgi membrane","The lipid bilayer surrounding any of the compartments of the Golgi apparatus.",IEA GO:0005768,CC,endosome,"A vacuole to which materials ingested by endocytosis are delivered.",IBA GO:0005886,CC,"plasma membrane","The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.",IEA GO:0005887,CC,"integral component of plasma membrane","The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.",IDA GO:0008823,MF,"cupric reductase activity","Catalysis of the reaction: Cu+ + NAD+ + H+ = Cu2+ + NADH.",IBA GO:0015677,BP,"copper ion import","The directed movement of copper ions into a cell or organelle.",IBA GO:0045444,BP,"fat cell differentiation","The process in which a relatively unspecialized cell acquires specialized features of an adipocyte, an animal connective tissue cell specialized for the synthesis and storage of fat.",ISS GO:0046872,MF,"metal ion binding","Interacting selectively and non-covalently with any metal ion.",IEA GO:0052851,MF,"ferric-chelate reductase (NADPH) activity","Catalysis of the reaction: 2 Fe3+ + NADPH = 2 Fe2+ + H+ + NADP+ .",IBA GO:0055072,BP,"iron ion homeostasis","Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell.",IC GO:0055114,BP,"oxidation-reduction process","A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.",IEA GO:0070062,CC,"extracellular exosome","A membrane-bounded vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.",IDA GO:0097461,BP,"ferric iron import into cell","The directed movement of ferric iron (Fe(III) or Fe3+) ions from outside of a cell into the cytoplasmic compartment. This may occur via transport across the plasma membrane or via endocytosis.",IBA