Question

mitochondria range from ______ in size.
a 1 m to 2 m
b 1 to 10 μm
c 10 to 100 μm
d 1 to 10000 μm

Explanation:

Mitochondria are small organelles. They are microscopic in size, typically ranging from 1 to 10 micrometers ($\mu m$). Larger sizes like meters are not applicable for mitochondria.

Answer:

B. 1 to 10 $\mu m$