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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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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: 5
Views: 1340

Re:

What about post-transcrioptional modifications? Actually, I do not know exactly how to measure post translational modifications and reduce them from the full size of the protein, can any body help me with that? would post translational modifications ...

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by Bio2013
Mon Feb 11, 2013 5:26 am
 
Forum: Cell Biology
Topic: Western Blot
Replies: 6
Views: 2645

Western Blot

What about post-transcrioptional modifications?

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by JackBean
Sat Feb 02, 2013 11:17 pm
 
Forum: Cell Biology
Topic: Western Blot
Replies: 6
Views: 2645

protiens

1)main roles of the following post-translation modifications of proteins: match the following a)Phosphorylaton --------- 1)Association with membrane b)Glycosidation ----------- 2)Cell-cell recognition c)Acylation ------ ---- 3)Degradation d)Ubiquitinatio ...

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by 2468
Tue Dec 04, 2012 1:11 am
 
Forum: Molecular Biology
Topic: protiens
Replies: 1
Views: 1684

Chromatin experiment

... :D explantion 1= lane 2 2= wrong interpretation 3= lane 3 4= lane 1 5= lane 6 6= wrong interpretation 7= lane 3 Which of the following protocols modifications could remove the high molecular weight bands? 1. Increase the EDTA concentration 2. Expose the cells to the detergent for longer time ...

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by 2468
Thu Nov 08, 2012 7:48 pm
 
Forum: Molecular Biology
Topic: Chromatin experiment
Replies: 10
Views: 2487
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