Arg

... 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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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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... 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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... (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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... their kidneys don't work too hard to excrete salts and save water... But still I agree.. I'm not sure how weight will speak to nephron anatomy. Arg! I did think, however, that the fact that these animals were so different would be a good thing. I figured their anatomy would dramatically reflect ...

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