As the Result of Exposure to a Mutagen,cytosine Is Substituted

question 54

Multiple Choice

As the result of exposure to a mutagen,cytosine is substituted for thymine in one strand of DNA.Upon subsequent DNA replication,one of the daughter cells will have a GC pair in this position instead of an AT pair.This is called a(n) __________ mutation.

• A)transversion
• B)transition
• C)frameshift
• D)insertion

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Definitions:

Composite Units

A measurement or costing method that combines different elements or articles to determine a standard unit rate or cost.

Sales Mix

The proportion of different products or services that a company sells, reflecting the variety and quantities sold.

Fixed Costs

Expenses that do not change in proportion to the level of activity or production, such as rent, salaries, and insurance premiums.

Contribution Margin

The amount by which sales revenue exceeds variable costs, helpful in determining the profitability of individual products or services.