Final answer:
The structures that constitute a cell are referred to as cell organelles. They include structures such as the nucleus, mitochondria, and ribosomes, all of which serve specific functions vital to the cell's survival.
Step-by-step explanation:
The structures that make up a cell are called cell organelles. These are specialized structures within the cell that perform specific functions necessary for the cell's survival. Examples of cell organelles include the nucleus, which controls the cell's activities; mitochondria, which provide energy; and ribosomes, which synthesize proteins. Other important organelles include the endoplasmic reticulum, Golgi apparatus, vesicles, and cell membrane, among others.
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