The Important Role That Intermediate Filaments Play in the Epithelial

question 7

Multiple Choice

The important role that intermediate filaments play in the epithelial cells of the skin is evident in which of the following?

• A)Individual keratin filaments span the cell membrane and directly connect one cell to the next.
• B)Knockout mice for a keratin gene like K14 exhibit stronger skin that can withstand abrasion.
• C)The polarity of keratin filaments allows them to withstand shear stress.
• D)Patients with mutations in keratin genes exhibit skin problems.

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Definitions:

Variable Costs

Costs that vary directly with the level of production or output.

Cost-Volume Analysis

A managerial accounting technique used to analyze how various levels of sales and production will affect profit.

Low-Cost Choice

An option that requires minimal financial outlay compared to other alternatives.