Cholesterol Is a Structural Component of Cell Membranes

question 43

Multiple Choice

Cholesterol is a structural component of cell membranes.Amount of cholesterol present can affect membrane stability and permeability.What is the role of cholesterol in a membrane?

• A)A membrane that needs to be more rigid and more permeable,would have high cholesterol ratios.
• B)A membrane that needs to be rigid,such as a protective barrier,would have low cholesterol ratios.
• C)Membranes with low amounts of cholesterol are very stable and have increased permeability.
• D)Membranes with high amounts of cholesterol are very stable and have decreased permeability.

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Definitions:

Short-Run Industry

An industry characterized by the presence of fixed and variable costs, where firms cannot enter or exit the market easily in the short term.

Marginal Cost Curves

A graphical representation that shows how the cost of producing one more unit of a good changes as production increases.

Average Variable Cost

The total variable costs (costs that change with the level of output) divided by the quantity of output produced, indicating the variable cost per unit of output.

Marginal Cost Curve

A graphical representation that shows how the cost of producing one more unit of a good varies as production increases.