A Mutant B Cell Line Is Examined by Confocal Microscopy $\theta$

question 39

Multiple Choice

A mutant B cell line is examined by confocal microscopy after incubation with a microbial pathogen recognized by the BCR on these B cells. The B cells have been stained with antibodies to visualize the localization of polymerized actin and microtubules. As a control, wild-type B cells are examined. The results are shown in Figure, with the numbers indicating the proportion of cells examined that show each pattern of staining.
To identify the specific signaling defect in these mutant B cells, a reasonable biochemical assay would be to:

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Definitions:

Price of Coffee

The amount of money required to purchase a specific quantity of coffee.

Budget Line

Represents the combination of goods a consumer can purchase with a specific budget at given prices.

Slope

The rate at which a line inclines or declines, showing the relationship between the change in the vertical axis to the horizontal axis.

Budget Line

A graphical representation of all possible combinations of two goods that an individual can purchase given their income and the prices of the goods.