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demented    音标拼音: [dɪm'ɛntɪd]
a. 发狂的,精神错乱状态的

发狂的,精神错乱状态的

demented
adj 1: affected with madness or insanity; "a man who had gone
mad" [synonym: {brainsick}, {crazy}, {demented}, {disturbed},
{mad}, {sick}, {unbalanced}, {unhinged}]

Demented \De*ment"ed\, a. [From {Dement}.]
Insane; mad; of unsound mind. -- {De*ment"ed*ness}, n.
[1913 Webster]

55 Moby Thesaurus words for "demented":
abnormal, bereft of reason, brainsick, crackbrained, cracked,
crazed, crazy, daft, delirious, deluded, deprived of reason,
deranged, disoriented, distraught, flighty, frenzied, hallucinated,
hysterical, insane, irrational, loco, lunatic, mad, maddened,
maniac, manic, mazed, mental, mentally deficient, meshuggah,
moon-struck, non compos, non compos mentis, not all there,
not right, odd, of unsound mind, off, psycho, queer, reasonless,
senseless, sick, stark-mad, stark-staring mad, strange, tetched,
touched, unbalanced, unhinged, unsane, unsettled, unsound,
wandering, witless

Yet another term of disgust used to describe a program. The
connotation in this case is that the program works as
designed, but the design is bad. Said, for example, of a
program that generates large numbers of meaningless error
messages, implying that it is on the brink of imminent
collapse.

[{Jargon File}]

(1994-12-07)


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  • bacteriology - Did operon evolve after endosymbiosis and specialisation . . .
    A few operons, mainly for nuclear rRNA genes, have been found in chordates But clearly it is not the norm Based on this, it would seem that operon evolved in prokaryotes some time after the endosymbiosis event, since the two are present mostly exclusively in independent domains of life
  • Transcription and translation of prokaryotic operons
    I'm taking a molecular genetics course, and we're currently discussing prokaryotic operons The lacZ operon came up frequently for me as an undergraduate as an example for teaching regulatory control of transcription, and the focus was always on determining whether the operon was transcribed under certain conditions (mutations, nutrients, etc)
  • Why do eukaryotic organisms have introns in their DNA?
    Prokaryotic genes are often organized into operons, and a single polycistronic mRNA will often encode multiple proteins from multiple adjacent genes Since the biological processes required to sustain microbial life are much less complicated than those required to sustain eukaryotic life, they can get away with much less regulatory control
  • gene expression - Biology Stack Exchange
    While operons are nearly always found in bacteria, eukaryotes (and viruses that infect eukaryotes) do have some sets of genes organized into operons lacZ and lacY is the business end of the lac operon They are the only 2 genes necessary for lactose usage in the cell
  • molecular biology - There are small parts between Genes in an Operon . . .
    The regions between the genes on a prokaryote operon are transcribed into the messenger RNA but are not translated into proteins Because they are not translated, they are characterized by the general term UnTranslated Regions (UTRs) A typical operon having two genes is shown in this diagram from Wikipedia: The UTR which occurs between the protein-coding genes contains the sequence for a
  • How might gene clusters like the lac operon evolve?
    Operons, often but not always, contain clusters of genes (under the control of an operator region) which are involved in the same metabolic pathway There have been several theories for how these groups of genes have arisen but the current feeling seems to be based around the regulation of the genes in question 1 To facilitate co-ordinated gene regulation there may have been strong selection
  • Lac operon: How can lactose enter the cell in the absence of lactose . . .
    Introductory textbooks will not get into the details of the lac operon Basically, the operon is expressed constitutively at a low level that means that Beta Galactosidase and Lactose Permease are expressed at low levels by the bacterium This is because it takes a little bit of time to build up the concentration of LacI in the cell before it can start to bind the operator The LacI repressor
  • molecular biology - Are the subordinate genes of a repressed operon . . .
    Operons are often described using all or nothing language A repressor binding to the operator is usually presented as "turning off" the regulated genes Case in point, Scitable at Nature com says:





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