Key Features of Biological Membranes Are

question 62

Multiple Choice

Key features of biological membranes are

• A) the two sides appear to be indistinguishable in most membranes.
• B) lipids rotate about their long axis and also move laterally in the membrane.
• C) lipid molecules flip readily from one side of the membrane bilayer to the other.
• D) the protein to lipid ratio of membranes is very close to 1:1 in almost all physiologically important membranes.
• E) none of the above is true.

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Definitions:

Average Cost of Production

The total cost of production divided by the quantity of output produced, indicating the cost to produce each unit of output.

Total Profit

The net profit a company earns, calculated by deducting all costs from its total income.

Profits

The financial gain obtained when the revenues generated from business activities exceed the expenses, costs, and taxes involved in maintaining the operation.

Total Costs

The aggregate cost of producing goods or services, inclusive of fixed and variable expenses.