Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of a cell's dry mass (recall that water makes up the majority of its complete mass)
Explanation:
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C locomotion
<span>They have nothing to do with movement. </span>
<span>Vacuoles help regulate internal environment such as pH, and can assist with digestion and waste elimination. </span>
