<span>The four organelles that should be present in the eukaryotic organism are: 1) Nucleus which contains the DNA and directs all of the activities of the cell 2) The Mitochondria which turns food in to energy 3) Ribosomes which make protein and 4) The Golgi Apparatus which processes the proteins.</span>
He designed the loupe, which helped him study smaller things.<span />
Answer:
recombination occurs during meiosis in homologous chromosomes
Cancer is not a virus.
<span>Viruses replicate using the host cell RNA. </span>
<span>With some viruses this may lead to an increased risk of certain cancers.</span>