Question

energy is stored in a nucleus b mitochondria c ribosome d cell wall ​

Answer 1

Answer:

Ribosomes are small organelles and are the site of protein synthesis. Ribosomes are found in all cells. Mitochondria are where energy from organic compounds is used to make ATP

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Answer 2

Answer:

Nuclear energy 

Explanation:

Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together. Large amounts of energy can be released when the nuclei are combined or split apart.