Direct Reversal of Base Damage
Perhaps the most frequent cause of point mutations in humans is the spontaneous addition of a methyl group (CH3-) (an example of alkylation) to Cs followed by deamination to a T.
Reversal
Resemblance between two taxa because one of them has evolved a new character, then lost it again, and the other taxon has never evolved it.
Related Terms:
Evolution ...
A reversal of the order of syllables in a word, analogous to mirror writing.
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Experimental reversal of parental investment
Observed speciation
Whale with legs ...
Complete sex reversal corresponds to the extreme end of the intersex spectrum, where apparently there is no ambiguity of the genitalia at birth, but yet there is a intermediate state, ...
inversion A reversal in the order of genes on a chromosome segment.
monsoon A seasonal reversal of wind patterns caused by the different heating and cooling rates of the oceans and continents.
Sex-role reversal in vertebrates: behavioural and endocrinological accounts. Behav Processes 51(1-3):135-147. PMID 11074317
^ Barlow GW. (2005). How Do We Decide that a Species is Sex-Role Reversed? The Quarterly Review of Biology 80(1):28-35.
An action potential is a temporary reversal of the electrical potential along the membrane for a few milliseconds. Sodium gates and potassium gates open in the membrane to allow their respective ions to cross.
The term introduccd by Sturtevant (1926) for the reversal of the linear sequence of the genes in a segment of a chromosome.
Action potential: A brief reversal of membrane. charge that moves down the axon, causing an ... you see here, an action potential. is simply an electrical ...
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In a reversal of this process, a double-stranded DNA (or RNA, or DNA/RNA) molecule can be heated to break the base pairing and separate the two strands.
Since abuse of discretion sets the bar at the highest mark, a trial judge making a Daubert-based ruling excluding vital expert testimony is fairly well insulated against reversal.
describe an ecosystem in which the climax community is held at a "lower" level due to repeated‚ unpredictable events (for example‚ maintenance of a prairie area by periodic fires which kill invading trees)
(dis = separation‚ negation‚ reversal) ...
Cells undergo immediate calcium de-regulation in the presence of glutamate if the respiratory chain is inhibited; this is due to ATP depletion following ATP synthase reversal and can be reversed by oligomycin. In contrast, DCD is irreversible.
 See also: Trans, Cells, Organ, Protein, DNA
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