For cells and cellular components- Mitochondrion, Animal cell, ATP, O2, Hexokinase (an enzyme that phosphorylates hexoses (six-carbon sugars)), Ribosome, the correct size order from the smallest to the largest is:
The animal cell size is about 20 to 30 micrometers (μm), although it varies according to the type of the cell.
The average mitochondria size is approximately 0.75 to 3 μm. The size, number, and structure of mitochondria in an animal cell vary according to type of animal cell.
The ribosome size is approximately 0.02 μm in diameter.
An enzyme is a macromolecule whose size is variable (its average size is 3–7 nanometers, i.e., 3-7 nm). A micrometer (μm) equal to 1000 nm.
The adenosine triphosphate or ATP (the energy coin of the cell, which is composed of a five-carbon sugar, three phosphate groups, and adenine) and molecular oxygen (O2) are both simple molecules whose sizes are very small compared to enzymes.
