EOG8M0HGM GO:0005509 28/92 calcium ion binding molecular_function "Interacting selectively and non-covalently with calcium ions (Ca2+)." [GOC:ai] EOG8M0HGM GO:0005703 1/92 polytene chromosome puff cellular_component "A swelling at a site along the length of a polytene chromosome, thought to be the site of active transcription." [GOC:bf, ISBN:0120649012] EOG8M0HGM GO:0032440 1/92 2-alkenal reductase [NAD(P)] activity molecular_function "Catalysis of the reaction: n-alkanal + NAD(P)+ = alk-2-enal + NAD(P)H + H+." [EC:1.3.1.74, PMID:16299173] EOG8M0HGM GO:0006325 1/92 chromatin organization biological_process "Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic chromatin." [GOC:mah] EOG8M0HGM GO:0005737 1/92 cytoplasm cellular_component "All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures." [ISBN:0198547684] EOG8M0HGM GO:0009047 1/92 dosage compensation by hyperactivation of X chromosome biological_process "Compensating for the two-fold variation in X-chromosome:autosome ratios between sexes by a global hyperactivation of all, or most of, the genes on the X-chromosome in the heterogametic sex, leading to a two-fold increase in gene expression from this chromosome. An example of this is found in Drosophila melanogaster." [GOC:jl, ISBN:0140512888, PMID:11498577] EOG8M0HGM GO:0005700 1/92 polytene chromosome cellular_component "A type of chromosome in a polyploid cell, formed when multiple copies of homologous chromosomes are aligned side by side to give a giant chromosome in which distinct chromosome bands are readily visible." [ISBN:0198506732] EOG8M0HGM GO:0045893 1/92 positive regulation of transcription, DNA-templated biological_process "Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription." [GOC:go_curators, GOC:txnOH] EOG8M0HGM GO:0005634 1/92 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] EOG8M0HGM GO:0006265 1/92 DNA topological change biological_process "The process in which a transformation is induced in the topological structure of a double-stranded DNA helix, resulting in a change in linking number." [ISBN:071673706X, ISBN:0935702490]