Question

The smallest unit of measurement of cellular components is

• A. micron
• B. angstrom
• C. nanometer
• D. millimeter

Answer 1

Answer: (B)

angstrom

Answer 2

Angstrom is a unit of length equal to $10^{-10}\, m$ or $0.1\, nm$. Its symbol is $�$, a letter in the Scandinavian alphabets. The unit angstrom is named after the Swedish physicist Anders Jonas Angstrom $(1814-1874)$.