Indicate Whether Each of the Following Descriptions Better Applies to Equilibrium

question 75

Short Answer

Indicate whether each of the following descriptions better applies to equilibrium sedimentation (E) or velocity sedimentation (V). Your answer would be a four-letter string composed of letters E and V only, e.g. EEEE.
( ) It separates subcellular components based on their buoyant density.
( ) It can conveniently separate ¹⁵N-containing and ¹⁴N-containing DNA.
( ) It uses a shallow sucrose gradient to stabilize the sedimentation bands against convection.
( ) In this method, subcellular components may either move up or down to form discrete bands.

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Definitions:

Air Brake System

A type of brake system used in large vehicles, utilizing compressed air to create the braking force.

Mechanical Force

The application of power to move or stop objects through physical contact, often quantified in terms of magnitude and direction.

FMVSS-121

The regulation governing air brake performance for heavy-duty vehicles in the United States, ensuring proper function and safety standards are met.

Governor Cut-Out Pressures

The maximum pressure at which the compressor governor stops the compressor from pumping air into an air brake system.