EOG81K1SK GO:0005525 18/60 GTP binding molecular_function "Interacting selectively and non-covalently with GTP, guanosine triphosphate." [GOC:ai] EOG81K1SK GO:0005874 18/60 microtubule cellular_component "Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle." [ISBN:0879693568] EOG81K1SK GO:0051258 18/60 protein polymerization biological_process "The process of creating protein polymers, compounds composed of a large number of component monomers; polymeric proteins may be made up of different or identical monomers. Polymerization occurs by the addition of extra monomers to an existing poly- or oligomeric protein." [GOC:ai] EOG81K1SK GO:0003924 18/60 GTPase activity molecular_function "Catalysis of the reaction: GTP + H2O = GDP + phosphate." [ISBN:0198547684] EOG81K1SK GO:0005200 18/60 structural constituent of cytoskeleton molecular_function "The action of a molecule that contributes to the structural integrity of a cytoskeletal structure." [GOC:mah] EOG81K1SK GO:0007017 18/60 microtubule-based process biological_process "Any cellular process that depends upon or alters the microtubule cytoskeleton, that part of the cytoskeleton comprising microtubules and their associated proteins." [GOC:mah] EOG81K1SK GO:0005737 14/60 cytoplasm cellular_component "All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures." [ISBN:0198547684] EOG81K1SK GO:0007507 1/60 heart development biological_process "The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood." [GOC:jid, UBERON:0000948] EOG81K1SK GO:0007409 1/60 axonogenesis biological_process "De novo generation of a long process of a neuron, that carries efferent (outgoing) action potentials from the cell body towards target cells. Refers to the morphogenesis or creation of shape or form of the developing axon." [GOC:dph, GOC:jid, GOC:pg, GOC:pr, ISBN:0198506732] EOG81K1SK GO:0022008 1/60 neurogenesis biological_process "Generation of cells within the nervous system." [GO_REF:0000021, GOC:cls, GOC:curators, GOC:dgh, GOC:dph, GOC:jid, GOC:mtg_15jun06] EOG81K1SK GO:0009416 1/60 response to light stimulus biological_process "Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a light stimulus, electromagnetic radiation of wavelengths classified as infrared, visible or ultraviolet light." [GOC:go_curators, ISBN:0582227089] EOG81K1SK GO:0007411 1/60 axon guidance biological_process "The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues." [ISBN:0878932437] EOG81K1SK GO:0030537 1/60 larval behavior biological_process "Behavior in a larval form of an organism, an immature organism that must undergo metamorphosis to assume adult characteristics." [GOC:mah, ISBN:0877797099]