Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).
Reading background information because it gives ideas from the author himself.
The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
Here is your Answer. But is there options?
Answer:
it's BACTERIA
Explanation:
There are three widely recognized domains: Archaea, Bacteria, and Eukarya. Viruses lack many traits of living things so the majority of scientists do not classify them as living organisms.
