Answer:
Viruses have to invade the body of a host organism in order to replicate their particles. Therefore, most viruses are pathogenic. The main difference between bacteria and virus is that bacteria are living cells, reproducing independently and viruses are nonliving particles, requiring a host cell for their replication.
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<span>The statement that is least likely to support the endosymbiotic theory is that mitochondria and chloroplasts have DNA that resembles bacterial DNA.
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For observation and research. This is to analyse their features, structures, physiology and other possible mutations -genetic structures that have caused it to arrive at this rate.
Cancer cells are the result of those cells that deviate from the normal life cycle of a cell. These cancer cells refuse to die and rapidly increase in number due to the uncontrollable burst of cell division.
I think the answer is either B or C, hope this helps! Sorry if it doesn't!