A CDNA Library Is Produced from ______________ and Is Valued

question 49

Multiple Choice

A cDNA library is produced from ______________ and is valued in the analysis of __________________.

• A)chromosomal DNA digested with restriction enzymes;chromosomal organization
• B)chromosomal DNA digested with restriction enzymes;the promoter and regulatory elements of a particular gene
• C)a DNA copy of mRNA isolated from a group of cells;the protein-encoding open reading frame of a gene (no introns)
• D)a DNA copy of mRNA isolated from a group of cells;the promoter and regulatory elements of a particular gene
• E)protein sequences isolated from particular tissues;enzyme function encoded by a particular gene

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Definitions:

Methyl Hydrate

A solvent commonly known as methanol or wood alcohol, used in a variety of applications from antifreeze to fuel.

Litmus Paper

A type of paper used to test if a solution is acidic or basic by changing color upon exposure.

Freeze Point

The temperature at which a liquid becomes solid.