The endosymbiont theory explain that the mitochondrian and endoplasmic recticlum present in plant and animal are descendant of some symbiosis bacteria
<span>the Carbon cycle would be the least dependent on biotic processes</span>
Answer:
i think its the one u picked or B
Explanation:
A Intron is a segment of a DNA or RNA molecule which does not code for proteins and interrupts the sequence of genes. A exon is An exon is any part of a gene that will encode a part of the final mature RNA produced by that gene after introns have been removed by RNA splicing. Hope this helped:)