A Mixture of Four Proteins (X,Y,Z and N)is Applied to a Gel-Filtration

question 6

Multiple Choice

A mixture of four proteins (X,Y,Z and N) is applied to a gel-filtration column.Given the information supplied,which will elute first?

• A) Z
• B) Y and N elute together
• C) X
• D) Cannot answer without information about the isoelectric point.

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Definitions:

Oceanic Trench

Deep, underwater canyons formed by the subduction of one tectonic plate under another at convergent plate boundaries.

Magmatic Belt

A geographic zone that is extensively populated by igneous rocks which have been or are being formed by magmatic processes typically related to tectonic plate boundaries.

Passive Margin

The transition zone between oceanic and continental lithosphere that is not an active plate boundary.

Subduction Zone

The region where one tectonic plate moves under another, into the mantle, typically associated with volcanic arcs and oceanic trenches.