Base substitution is a type of mutation that involves the substitution of a nucleotide base. It may be categorized as a transition or transversion.
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Metal ions catalyse the reaction
Base
NO2 is a conjugate base.
Hydrogen can be produced by: - Compressing air to the point where it becomes a liquid. Then the process of fractional distillation is used on this liquid air. - Hydrogen can be obtained by the steam reforming of methane. - Reacting some metals with water yields a base and hydrogen gas. <><><> Hydrogen can also be produced by eletrolysis of water, splitting it into oxygen and hydrogen.
Substitution
Substitution.
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aniline would go through an electrophilic substitution, it is a weak base
the substitution has little effect because UGU and UGC both translate into the same amino acid--cysteine.
Mutations
Insertion
The three different types of mutation are substitution, insertion, and deletion. They differ because deletion is missing a base, insertion has a base that was added, and substitution has a base that has been replaced.
A Base Substitution In Gametes During Meiosis
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when the single base change results in a codon that specifies the same amino acid as the original codon