How Do DNA Molecules Place Themselves in a C_SCl Equilibrium

question 130

Multiple Choice

How do DNA molecules place themselves in a C_SCl 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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Definitions:

Contingency Management

Contingency Management is a behavior modification technique where desired behaviors are reinforced through tangible rewards or the removal of negative consequences.

Counterconditioning

A behavior therapy technique where a maladaptive response is replaced with a more desirable one by associating the feared stimulus with a new, positive response.

Stimulus Control

A behavior modification technique that involves changing the environment to manage the stimuli that trigger undesirable behaviors, thereby reducing or eliminating those behaviors.

Stimulation

Any activity that arouses or excites a bodily function or mental process, potentially leading to enhanced functioning or perception.