The Organic Molecule in Cell Membranes That Forms Channels Is

question 75

Multiple Choice

The organic molecule in cell membranes that forms channels is:

• A)protein
• B)cholesterol
• C)phospholipids
• D)oligosaccharides

---

Definitions:

Herfindahl Index

A parameter for comparing the dimensions of enterprises within their industry, revealing the competition scope.

Concentration Ratio

A measure of the market share or dominance controlled by the largest firms within an industry, used to assess market competitiveness.

Herfindahl Index

A measure of market concentration that sums the squares of the market shares of all firms within an industry.

Economic Profit

The profit or loss calculated by taking the total revenue of a firm and subtracting all its costs, both direct and indirect.