Dictionary » T » Transacetylase

Transacetylase

transacetylase --> acetyltransferase

Any enzyme transferring acetyl groups from one compound to another.

See: acetyl-CoA acetyltransferase, choline acetyltransferase, dihydrolipoamide acetyltransferase.

Synonym: transacetylase.


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IBO 2003 questions- please help me out

... (with arabinose as an additional source of carbon and energy available)? А. lacI −. B. lacZ −. C. lacA −. D. lacI − lacA −. I have no idea what transacetylase does, but B is correct anyway. You have both an inducer and a substrate for the enzyme, but no enzyme, and therefore no galactose present. ...

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by MrMistery
Tue May 13, 2008 6:16 pm
 
Forum: Cell Biology
Topic: IBO 2003 questions- please help me out
Replies: 9
Views: 9701

Re: IBO 2003 questions- please help me out

... genes: lacZ encodes β-galactosidase, lacY encodes galactosidepermease which carries out lactose transport to the cell, lacA encodes galactoside-transacetylase. Lac operon is under the control of LacI (repressor), which is inactive in the presence of lactose (inductor). There is a wide diversity ...

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by tittu
Mon May 12, 2008 2:41 pm
 
Forum: Cell Biology
Topic: IBO 2003 questions- please help me out
Replies: 9
Views: 9701

Re: help with report on Plasmid Properties

... a lactase: cleaves lactose (the sugar). Lac y encodes for Galactoside permease that promotes the entry of lactose into the cell. lac a encodes for transacetylase, that adds an acetyl group to the lactose molecule making it more soluble and facilitating its entry into the cytoplasm. regulation of ...

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by Biologista
Fri Oct 26, 2007 6:19 pm
 
Forum: Molecular Biology
Topic: Re: help with report on Plasmid Properties
Replies: 4
Views: 3416

Quiz me . . .

... three enzymes of the lac operon aren't synthesized in euimolar concentration. There's more B-galactosidase then permease and more permease then transacetylase. How can explain this ? - can you answer this please. You beat me at it. Translation: 1: Discuss the differences between translation ...

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by jayson
Sun Nov 27, 2005 11:58 am
 
Forum: Molecular Biology
Topic: Quiz me . . .
Replies: 11
Views: 7456

Quiz me . . .

... three enzymes of the lac operon aren't synthesized in euimolar concentration. There's more B-galactosidase then permease and more permease then transacetylase. How can explain this ? Translation: 1: Discuss the differences between translation in eukaryotes and prokaryotes. Recombinant DNA: We ...

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by sdekivit
Sun Nov 27, 2005 11:18 am
 
Forum: Molecular Biology
Topic: Quiz me . . .
Replies: 11
Views: 7456


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