Rna polymerases join nucleotides through what kind of bond?

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.

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genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

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