Answer:
I believe the answer is B. External
Explanation:
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Eukaryotic cells can assemble into multi-cellular organisms. A.
Answer: Exergonic reaction; Endergonic reaction
In coupled reactions, the energy released by an exergonic reaction is used to drive an endergonic reaction. ATP breakdown is often coupled to cellular reactions that require an input of energy.
Explanation:
Cellular reactions include Exergonic and endergonic reactions. An exergonic reaction is one that occurs spontaneously and brings about the release of energy (in form of ATP). On the other hand, an endergonic reaction proceeds only with the input of energy.
Thus, exergonic reactions are usually coupled to endergonic reactions
The term for organisms that cannot make their own food and must obtain energy from the foods they eat is a heterotroph
Hope this helps!