What Is Usually the First Step in the Purification of DNA

question 107

Multiple Choice

What is usually the first step in the purification of DNA?

• A)homogenization of cells and isolation of nuclei
• B)fixation of the cells
• C)isolation of mitochondria and chloroplasts
• D)crystallization of DNA
• E)removal of deoxyribonucleases

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Definitions:

Specific Tax

A tax that is levied as a fixed amount per unit of a good or service, rather than a percentage of the price.

Elasticity of Supply

A measure of how much the quantity supplied of a good responds to a change in the price of that good, indicating the flexibility of producers.

Deadweight Loss

An economic inefficiency resulting from the lack of or impossibility to attain equilibrium in the market for a particular good or service.

Tax Revenue

The income generated by the government through the imposition of taxes on goods, services, and income.