Briefly Describe How the Ultracentrifuge Is Used to Determine the Sizes

question 32

Essay

Briefly describe how the ultracentrifuge is used to determine the sizes of cellular macromolecules.

---

Definitions:

Travertine

A variety of limestone that is commonly concentrically banded and porous.

Karst Topography

A landscape formed from the dissolution of soluble rocks such as limestone, characterized by sinkholes, caves, and underground drainage systems.

Sinkhole

A depression or hole in the ground caused by the collapse of a surface layer, often due to the dissolution of underlying limestone, volcanic activity, or water withdrawal from wells.

Stalactite

A type of speleothem that hangs from the ceiling of limestone caves, formed by the deposition of minerals from dripping water.