Prokaryotes<span> only contain three different </span>promoter<span> elements: -10, -35 </span>promoters<span>, and upstream elements. ... Another main </span>difference between<span> the two is that transcription and translation occurs simultaneously in </span>prokaryotes<span> and in </span>eukaryotes<span> the RNA is first transcribed in the nucleus and then translated in the cytoplasm.</span>
D because it states that alternate version of genes could cause variations
