During Infection of E

question 47

Multiple Choice

During infection of E. coli cells by bacteriophage T2,

• A) proteins are the only phage components that enter the infected cell.
• B) both proteins and nucleic acids enter the cell.
• C) only protein from the infecting phage can also be detected in progeny phage.
• D) only nucleic acids enter the cell.
• E) more than one infecting phage particle is required to produce infection.

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Definitions:

Profit Margin

A financial performance ratio that shows the percentage of profit a company makes for each dollar of sales.

Gross Margin

The difference between sales revenue and the cost of goods sold, expressed as a percentage of sales revenue.

Sales

The activities involved in selling products or services in return for money or other compensation.

Residual Income

The amount of income that an entity has after all personal debts and expenses have been paid, often used in personal finance, or an approach to measure a department's or investment's profitability after charging cost of capital.