Arkansas State Barber Practice Exam 2025 - Free Barber Practice Questions and Study Guide

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What are the basic units of structure and function in all living things?

Atoms

Cells

All living things are made up of cells, which are the basic units of structure and function. Atoms, molecules, and organelles are components of cells but are not considered the basic unit of all living things. Atoms are the smallest unit of matter, molecules are made up of atoms and organelles are small structures within cells that perform specific functions. Therefore, while these components are important for the functioning of living things, they are not considered the fundamental unit.

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Molecules

Organelles

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