T4 and Other Bacteriophages Commonly Use a Method of DNA

question 62

Essay

T4 and other bacteriophages commonly use a method of DNA replication and packaging called ʺheadful packaging.ʺ Explain how viral genomes are replicated and packaged in this process and hypothesize how headful packaging might affect evolution of BOTH the bacteriophages and their prokaryotic hosts.

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Definitions:

Markup Percentage

The ratio between the cost of a good or service and its selling price, expressed as a percentage over the cost.

Total Cost Method

A method of inventory valuation where the total cost of goods available for sale is allocated to the cost of goods sold and ending inventory.

Invested Assets

Assets that are purchased or acquired for the purpose of generating income or appreciation, including stocks, bonds, real estate, and more.

Contribution Margin

The difference between sales revenue and variable costs, indicating how much revenue is contributing to covering fixed costs and generating profit.