An in Vitro Transcription System That Contains a Bacterial Gene

question 18

Multiple Choice

An in vitro transcription system that contains a bacterial gene initiates transcription from random points on the DNA. Which of the following proteins MOST likely is missing from the reaction?

• A) sigma factor
• B) rho factor
• C) RNA polymerase II
• D) TATA-binding protein (TBP)
• E) TFIID

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Definitions:

Level Of Significance

A predefined cutoff value that determines the critical threshold at which the null hypothesis is rejected in statistical analysis.

Fair Die

A perfectly balanced die where each face has an equal probability of landing face up upon being thrown.

Expected Times

Probabilistic estimates of the time durations in which certain events are anticipated to occur.

Chi-Square Test

A statistical test used to examine the differences between categorical variables in a contingency table.