Cells Adhere to Extracellular Matrix Primarily by Using Proteins That

question 102

Multiple Choice

Cells adhere to extracellular matrix primarily by using proteins that

• A) are transmembrane,attaching externally to the extracellular matrix and internally to collagen.
• B) span the cell membrane,attaching externally to the extracellular matrix and internally to microfilaments.
• C) attach to the outside of the cell membrane and adhere primarily to the proteoglycans in the extracellular matrix.
• D) attach to surface proteins on the outside of the cell and adhere primarily to collagen.
• E) are secreted by the cell and contribute to the extracellular matrix.

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Definitions:

Break-Even Point

The level of production or sales at which total revenues equal total expenses, resulting in neither profit nor loss.

Cost-Volume-Profit Chart

A graphical representation that shows the relationship between a company's cost, production volume, and profits.

Variable Costs

Charges that adjust based on the volume of sales or production levels.

Fixed Costs

Expenses that do not change as a function of the activity of a business, within the relevant period.