There are two major advantages to running gradient gels. 

First, a much greater range of protein Mr values can be separated than on a fixed- percentage gel.

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#Unit 13. Methods in Biology

The interaction between antibody and a particulate antigen results in visible clumping called agglutination. Antibodies that produce such reactions are called agglutinins. 

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#Unit 3. Fundamental Processes

The first base of the anticodon (reading in the 5'3' direction; this pairs with the third base of the codon

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#Unit 5. Developmental Biology

Bicoid mRNA binds to dynein, a “minus-directed” motor protein associated with the nongrowing end of microtubules; dynein moves the bicoid mRNA to the anterior end of the egg. 

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#Unit 4. Cell Communication and Cell Signaling

HER3 lacks a functional kinase domain

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#Unit 13. Methods in Biology

DIC microscopy is used for visualizing extremely small details and thick objects.