At What Point Does the Sigma ( σ ) Subunit

question 15

Multiple Choice

At what point does the sigma ( σ ) subunit of RNA polymerase released from the core enzyme?

• A) Prior to the incorporation of any nucleotides into an RNA strand.
• B) After transcription begins and about 10 nucleotides have been added to the RNA chain.
• C) Just prior to chain termination.
• D) Never; it is an intrinsic part of the core enzyme.
• E) After RNA polymerase discovers an inverted repeat

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Definitions:

Education

The systematic process of facilitating learning, or the acquisition of knowledge, skills, values, morals, beliefs, and habits.

Autocorrelation

The correlation of a signal with a delayed copy of itself as a function of delay, often used in time series analysis.

Graphing

The process of representing data visually using charts, plots, or diagrams to identify trends, patterns, or relationships.

Residuals

The differences between observed and predicted values in a statistical model, representing the error in predictions.