wertyong9689
08.12.2021 •
Chemistry
During what phase of mitosis do spindle fibers breakdown and a nuclear envelope forms around chromosomes?
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Ответ:
The activation energy for an endothermic reaction is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process.
Explanation:
Endothermic reactions require absorbing energy of the surrounding mainly in the form of heat.Chemical energy needs energy input to break the bonds.Examples of endothermic reactions: Photosynthesis , melting of ice , and evaporating liquid water.