A Population of T Cells Has Been Stimulated to Proliferate

question 13

Multiple Choice

A population of T cells has been stimulated to proliferate in response to a particular antigen. A sample of 1000 cells is examined microscopically in revealing that 200 of these cells are in the various stages of mitosis. Of the remaining 800 in interphase, 400 have x amount of DNA, 250 have 2x, and the remaining 150 have amounts somewhere between x and 2x. Additional analysis reveals that the G2 phase of the cell cycle lasts 2 hours. What is the total length of the cell cycle?

• A)6.4 hours
• B)4 hours
• C)13.3 hours
• D)2.5 hours
• E)8 hours

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Definitions:

Receivables Financing

A type of financing where a company uses its accounts receivable as collateral for a loan.

Carrying Cost

The total cost of holding inventory, including storage, insurance, taxes, depreciation, and opportunity costs.

Economic Order Quantity

A formula used in inventory management to determine the optimal order size that minimizes total costs related to acquiring, holding, and replenishing inventory.

Fixed Costs

Expenses that do not change with the level of goods or services produced by a business, such as rent, salaries, and insurance premiums.