EOG8H1D9W GO:0005634 24/92 nucleus cellular_component "A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent." [GOC:go_curators] EOG8H1D9W GO:0003707 24/92 steroid hormone receptor activity molecular_function "Combining with a steroid hormone and transmitting the signal within the cell to initiate a change in cell activity or function." [GOC:signaling, PMID:14708019] EOG8H1D9W GO:0043565 23/92 sequence-specific DNA binding molecular_function "Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding." [GOC:jl] EOG8H1D9W GO:0008270 23/92 zinc ion binding molecular_function "Interacting selectively and non-covalently with zinc (Zn) ions." [GOC:ai] EOG8H1D9W GO:0006351 22/92 transcription, DNA-templated biological_process "The cellular synthesis of RNA on a template of DNA." [GOC:jl, GOC:txnOH] EOG8H1D9W GO:0003700 21/92 transcription factor activity, sequence-specific DNA binding molecular_function "Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex." [GOC:curators, GOC:txnOH] EOG8H1D9W GO:0004879 3/92 RNA polymerase II transcription factor activity, ligand-activated sequence-specific DNA binding molecular_function "Combining with a signal and transmitting the signal to the transcriptional machinery by interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription by RNA polymerase II." [GOC:signaling, GOC:txnOH] EOG8H1D9W GO:0007369 1/92 gastrulation biological_process "A complex and coordinated series of cellular movements that occurs at the end of cleavage during embryonic development of most animals. The details of gastrulation vary from species to species, but usually result in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm." [GOC:curators, ISBN:9780878933846] EOG8H1D9W GO:0016319 1/92 mushroom body development biological_process "The process whose specific outcome is the progression of the mushroom body over time, from its formation to the mature structure. The mushroom body is composed of the prominent neuropil structures of the insect central brain, thought to be crucial for olfactory associated learning. These consist mainly of a bulbous calyx and tightly packaged arrays of thin parallel fibers of the Kenyon cells." [PMID:8790424] EOG8H1D9W GO:0035271 1/92 ring gland development biological_process "Progression of the ring gland over time, from its formation to a mature structure. The ring gland is a neuroendocrine organ found in higher Dipterans, which is composed of the prothoracic gland, the corpus allatum, and the corpora cardiacum. The ring gland is the site of production and release of ecdysteroids and juvenile hormones." [GOC:bf, PMID:11223816, PMID:9584098] EOG8H1D9W GO:0001708 1/92 cell fate specification biological_process "The process involved in the specification of cell identity. Once specification has taken place, a cell will be committed to differentiate down a specific pathway if left in its normal environment." [GOC:go_curators] EOG8H1D9W GO:0055057 1/92 neuroblast division biological_process "The process resulting in the physical partitioning and separation of a neuroblast into daughter cells. A neuroblast is any cell that will divide and give rise to a neuron." [PMID:11163136, PMID:11250167] EOG8H1D9W GO:0003705 1/92 transcription factor activity, RNA polymerase II distal enhancer sequence-specific binding molecular_function "Interacting selectively and non-covalently with a sequence of DNA that is in a distal enhancer region for RNA polymerase II (RNAP II) in order to modulate transcription by RNAP II." [GOC:jl, GOC:txnOH] EOG8H1D9W GO:0006366 1/92 transcription from RNA polymerase II promoter biological_process "The synthesis of RNA from a DNA template by RNA polymerase II, originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs)." [GOC:jl, GOC:txnOH, ISBN:0321000382] EOG8H1D9W GO:0007362 1/92 terminal region determination biological_process "Specification of the terminal regions (the two non-segmented ends) of the embryo by the gap genes; exemplified in insects by the actions of huckebein and tailless gene products." [http://fly.ebi.ac.uk/allied-data/lk/interactive-fly/aimain/1aahome.htm, ISBN:0879694238] EOG8H1D9W GO:0051726 1/92 regulation of cell cycle biological_process "Any process that modulates the rate or extent of progression through the cell cycle." [GOC:ai, GOC:dph, GOC:tb] EOG8H1D9W GO:0045165 1/92 cell fate commitment biological_process "The commitment of cells to specific cell fates and their capacity to differentiate into particular kinds of cells. Positional information is established through protein signals that emanate from a localized source within a cell (the initial one-cell zygote) or within a developmental field." [ISBN:0716731185] EOG8H1D9W GO:0001748 1/92 optic lobe placode development biological_process "The process whose specific outcome is the progression of the optic placode over time, from its formation to the mature structure. During embryonic stage 12 the placode starts to invaginate, forming a pouch. Cells that will form Bolwig's organ segregate from the ventral lip of this pouch, remaining in the head epidermis. The remainder of the invagination loses contact with the outer surface and becomes the optic lobe. An example of this process is found in Drosophila melanogaster." [GOC:mtg_sensu, PMID:8402833] EOG8H1D9W GO:0003677 1/92 DNA binding molecular_function "Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid)." [GOC:dph, GOC:jl, GOC:tb, GOC:vw] EOG8H1D9W GO:0001746 1/92 Bolwig's organ morphogenesis biological_process "The morphogenetic process in which the anatomical structures of the larval eye in Drosophila are generated and organized. The larval eye in Drosophila is a relatively simple sensory system composed of Bolwig's organs: two clusters, each composed of 12 photoreceptor cells from which axons extend in a single fascicle to the brain." [http://sdb.bio.purdue.edu/fly/torstoll/tailess.htm#bolwigs, PMID:6185380] EOG8H1D9W GO:0008293 1/92 torso signaling pathway biological_process "A series of molecular signals initiated by the binding of an extracellular ligand to torso (a receptor tyrosine kinase) on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription." [GOC:go_curators, PMID:8343949] EOG8H1D9W GO:0009948 1/92 anterior/posterior axis specification biological_process "The establishment, maintenance and elaboration of the anterior/posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism." [GOC:dph, GOC:go_curators, GOC:tb] EOG8H1D9W GO:0030522 1/92 intracellular receptor signaling pathway biological_process "Any series of molecular signals initiated by a ligand binding to an receptor located within a cell." [GOC:bf, GOC:mah] EOG8H1D9W GO:0045944 1/92 positive regulation of transcription from RNA polymerase II promoter biological_process "Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter." [GOC:go_curators, GOC:txnOH] EOG8H1D9W GO:0007275 1/92 multicellular organismal development biological_process "The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult)." [GOC:dph, GOC:ems, GOC:isa_complete, GOC:tb]