Meselson and Stahl Relied on Equilibrium Density Gradient Centrifugation in a _______

question 40

Multiple Choice

Meselson and Stahl relied on equilibrium density gradient centrifugation in a _______ solution to resolve the DNA containing ¹⁴N from the DNA containing ¹⁵N.

• A) radiolabelled phosphate
• B) calcium chloride
• C) radiolabelled nitrogen
• D) sodium acetate
• E) cesium chloride

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Definitions:

Ultimate Authority

The highest level of power or the most authoritative figure or institution in a specific context or system.

Dual Federalism

A political arrangement in which state and national governments are seen as distinct entities providing separate spheres of governance, with little overlap.

Sponge Cake

A light, fluffy cake made with eggs, sugar, and flour, often served as a dessert or with tea.

Layer Cake

A metaphor often used in political science to describe a clear-cut division of responsibilities and powers among different levels of government, similar to the distinct layers in a layer cake.