Suppose You Are a Biologist Trying to Discover the Process

question 56

Essay

Suppose you are a biologist trying to discover the process by which DNA copies itself.You grow cells in a culture that contains a special isotope of nitrogen,N-15,which will become part of any new DNA the cell makes.After one generation,you analyze the DNA and find all the DNA has some N-15 in it.You then take those cells and grow them for another generation in a culture with the normal isotope of nitrogen,N-14,and find that half of the DNA has some N-15 in it and half of it has only N-14.From this information,what can you infer is the process by which DNA replicates?

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Definitions:

Management Broker

An intermediary who manages the buying and selling of businesses, or the provision of management resources to those businesses.

Bank Audits

A thorough examination of a bank's records and financial statements to ensure accuracy, compliance with regulations, and soundness of financial practices.

Short Run

A period during which at least one factor of production is considered fixed and cannot be varied.

Long Run

In the long run refers to an extended period of time during which all factors of production and costs can be fully adjusted, often used in economics to discuss theoretical outcomes.