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  1. Hace 17 horas · The top row shows a unit pulse as a function of time (f(t)) and its Fourier transform as a function of frequency (f̂(ω)).The bottom row shows a delayed unit pulse as a function of time (g(t)) and its Fourier transform as a function of frequency (ĝ(ω)).Translation (i.e. delay) in the time domain is interpreted as complex phase shifts in the frequency domain.

  2. Hace 17 horas · Genetic engineering, also called genetic modification or genetic manipulation, is the modification and manipulation of an organism's genes using technology.It is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to produce improved or novel organisms.. New DNA is obtained by either isolating and copying the ...