MRNA Is Constantly Being Broken Down by the Cell; Thus,transcription

question 54

Essay

mRNA is constantly being broken down by the cell; thus,transcription of a gene cannot occur just once,but must be a continuous process.Why might this be important for the regulation of gene expression?

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Definitions:

Epimers

Stereoisomers that differ in configuration at exactly one stereogenic center and have the same molecular formula.

Asymmetric Carbons

Carbon atoms bonded to four different groups, leading to chirality or "handedness" in molecules, essential in stereochemistry.

α-D-Ribopyranose

An aldopentose sugar in the pyranose form where the α-configuration at the anomeric carbon is specific to the D-ribose structure.

Ordinal Data

A type of categorical statistical data type in which the order of the values is significant but the difference between each one is not necessarily uniform.