U·ni·cel·lu·laradjective
BIOLOGY(of protozoans, certain algae and spores, etc.) consisting of a single cell.(of an evolutionary or developmental stage) characterized by the formation or presence of a single cell or cells.
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The outer boundary of cytoplasm is the answer
When electrons are passed from one atom to a more electronegative atom then the more electronegative atom is reduced and energy is released.
The electronegative atom has the tendency to attract more electron and also has the ability to handle their charge better. So when an atom moves from less electronegative to more electronegative atom it means that it is transferred from a high energy to low energy.
The increase in electronegative is due to the increase in no. of proton in the nucleus. The energy that is released is used to maintain proton gradient.
Proton is a subatomic particle with a positive charge and its mass is less than neutron.
To learn more proton here
brainly.com/question/1252435
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