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Modifications

modification

1. A nonhereditary change in an organism; e.g., one that is acquired from its own activity or environment.

2. A chemical or structural alteration in a molecule.

behaviour modification, the systematic use of principles of conditioning and learning, especially operant or instrumental conditioning, to teach certain skills or to extinguish undesirable behaviours, attitudes, or phobias.

chemical modification, alteration in the structure of a molecule, typically a macromolecule such as a protein, by chemical means; often, the covalent addition by some reagent.

covalent modification, alteration in the structure of a macromolecule by enzymatic means, resulting in a change in the properties of that macromolecule; frequently, this type of modification is physiologically relevant.


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SUMO and gene expression

IS inappropriate SUMO modifications in tumors related to the uncontrolled gene expression in most cancers? Who can help me answer this?

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by Esther336
Wed Mar 25, 2015 6:44 am
 
Forum: Genetics
Topic: SUMO and gene expression
Replies: 0
Views: 27

SUMO and gene expression

IS inappropriate SUMO modifications in tumors related to the uncontrolled gene expression in most cancers? Who can help me answer this?

See entire post
by Esther336
Wed Mar 25, 2015 6:43 am
 
Forum: Genetics
Topic: SUMO and gene expression
Replies: 0
Views: 20

Re: need help with some home work

... phenotype. The answer is yes for the third question too! This is how it works. uNDER special circumstances, a gene might be influenced by modifications of the histone code and thus the level of expression will be affected. This is called epigenetics, you can read up on it. What happens ...

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by Youngji
Sun Feb 01, 2015 1:14 pm
 
Forum: Genetics
Topic: need help with some home work
Replies: 2
Views: 934

Re: Any ideas for vaccine development or anti-viral drugs???

... Swenson DL, Warfield KL, Warren TK, Lovejoy C, Hassinger JN, Ruthel G, Blouch RE, Moulton HM, Weller DD, Iversen PL, Bavari S. Chemical modifications of antisense morpholino oligomers enhance their efficacy against ebolavirus infection. Antimicrob Agents Chemother. 2009 Feb 17. [Epub ...

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by jonmoulton
Mon Sep 15, 2014 3:04 pm
 
Forum: Cell Biology
Topic: Any ideas for vaccine development or anti-viral drugs???
Replies: 2
Views: 12575

What makes dominant allele dominant?

... have from one to many alleles 2) it's not only about expression. The difference can be anywhere from transcription to protein post-translational modifications. There can be mutation in the promotor changing significantly expression. If the binding of ribosome will be impaired, there will be much ...

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by JackBean
Thu Feb 27, 2014 5:20 pm
 
Forum: Genetics
Topic: What makes dominant allele dominant?
Replies: 7
Views: 7708
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