Dictionary » A » Arg



(Science: oncogene) oncogene, related to abl, that encodes a tyrosine kinase. Shorthand for arginine, a common amino acid found in [[proteins.

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Finding the net charge of amino acid

please, i need help with this question. Estimate the net charge of a polypeptide chain at physiological pH 7.4 and at pH 5.0 Ala-Arg-Val-His-Asp-Gln

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by debbie4christ
Tue May 28, 2013 8:12 pm
Forum: Molecular Biology
Topic: Finding the net charge of amino acid
Replies: 19
Views: 52291

DNA and Protein Synthesis

... change in protein sequence, but it's function won't be altered. Another possibility is that you get some totally different amino acid (Glu -> Arg; Xxx -> Pro), which will either completely impair the functioning of that protein or it won't be able to fold (and thus work). Lastly, you can ...

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by JackBean
Tue Feb 28, 2012 8:22 am
Forum: Genetics
Topic: DNA and Protein Synthesis
Replies: 2
Views: 5381

To determine the gene order.....

A cross is made between two E.coli strains....Hfr-arg+bio+leu+.....and F-arg-bio-leu-.....interrupted mating studies revealed that arg enters the recipient last. so arg+ recombinants are selcted on a medium containing only bio n leu. these recombinants ...

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by APmicro
Wed Dec 28, 2011 7:28 am
Forum: Genetics
Topic: To determine the gene order.....
Replies: 0
Views: 1026

medium choice confusion

... essential nutrient genetic markers and are sensitive to streptomycin or sodium azide as indicated. F- strain LAN100 F- thi -, trp -, his -, met -, arg -, thr -, phe -, pro-, str r, azi r These mutations confer the following phenotypes on the strains: Genotype Phenotype thi - Thi- cannot synthesise ...

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by ashhh
Sun Aug 21, 2011 2:58 pm
Forum: Molecular Biology
Topic: medium choice confusion
Replies: 1
Views: 3139

Quick question on genes - thanks!

... (considerably!) but am I right in thinking that what you've said is because RNA splicing can accomplish base substitution (RNA editing) (eg, AGA/arg in the DNA is base-changed to GGA/Gly in the mRNA, thus changing the properties of the AMPA receptor that that AGA/GGA contributes to )? (I've just ...

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by Julie5
Thu Apr 28, 2011 9:53 am
Forum: Cell Biology
Topic: Quick question on genes - thanks!
Replies: 4
Views: 4195
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