Write the Specified Quantity as a Function of the Specified $\mathrm { A } = 2 \mathrm { r } ^ { 2 }$

question 99

Multiple Choice

Write the specified quantity as a function of the specified variable.
-A circle is inscribed in a square. Write the area of the square as a function of the radius.

• A) \(\mathrm { A } = 2 \mathrm { r } ^ { 2 }\)
• B) \(\mathrm { A } = 2 \mathrm { r }\)
• C) \(\mathrm { A } = \mathrm { r } ^ { 3 }\)
• D) \(A = 4 r ^ { 2 }\)

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Definitions:

Micelle

A spherical aggregate of surfactant molecules formed in a liquid colloid, important in various chemical and industrial processes.

Emulsion

A mixture of two or more liquids that are normally immiscible, with one liquid containing a dispersion of the other.

Phospholipids

A group of lipids essential to all cell membranes for their ability to create lipid bilayers.

Phosphatidate Core

The basic structure of phospholipids, consisting of a glycerol backbone, two fatty acid tails, and a phosphate group, crucial in membrane biology.