Energy is defined as 1.anything that has mass and takes up space
2.the ability to do work or cause change
3.how fast an object moves
4.anything that is made of atoms and molecules

.the ability to do work or cause change

1 anything that has mass and takes up space=matter

Explanation:

their are three type of matter that are=solid liquid and gas

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a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.