A Spherical Cell Takes in Nutrients Through Its Cell Wall $\frac{A}{r^{2}}$

question 75

Multiple Choice

A spherical cell takes in nutrients through its cell wall at a rate proportional to the area of the cell wall.The rate at which the cell uses nutrients is proportional to its volume.Which of the following expresses the rate at which the cell uses nutrients as a function of its radius, r.(A is a constant.)

• A) \(\frac{A}{r^{2}}\)
• B) \(\frac{A}{r^{3}}\)
• C) \(A r^{2}\)
• D) \(A r^{3}\)

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Definitions:

RAP

Regulatory Accounting Principles, which are guidelines for accounting practices in the insurance industry.

Loan Charge-offs

The process by which a bank or other financial institution removes a loan from its balance sheet after determining that it will not be repaid and is, therefore, uncollectible.

Bank Capital

The funds that are held by a bank that are used as a cushion against potential losses, ensuring the bank's stability and financial health.

Invested Capital

The total amount of money that shareholders and debt holders have invested in a company for long-term use.