How Do DNA Molecules Place Themselves in a CsCl Equilibrium

question 65

Multiple Choice

How do DNA molecules place themselves in a CsCl equilibrium gradient?

• A)They continuously move toward the bottom of the gradient.
• B)They stop momentarily at the point in the gradient equaling their buoyant density.
• C)They continuously move toward the top of the gradient.
• D)They stop permanently at the point in the gradient equaling their buoyant density.
• E)All DNA molecules localize at the same point in the gradient.

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