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What is the smallest unit that can carry on all functions of life?
A
Molecule
B
Cell
C
Tissue
D
Organ
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1
Understand the hierarchy of biological organization: Atoms form molecules, molecules form cells, cells form tissues, tissues form organs, and organs form organ systems.
Recognize that the smallest unit capable of performing all life functions is the cell. This includes processes such as metabolism, growth, response to stimuli, and reproduction.
Differentiate between the options: Molecules are chemical structures consisting of atoms, but they do not perform life functions independently.
Identify that tissues are groups of similar cells working together to perform a specific function, but they cannot perform all life functions independently.
Understand that organs are structures composed of different tissues working together, but they are not the smallest unit capable of all life functions. Therefore, the cell is the correct answer.