A Nuisance Variable Is

question 25

Multiple Choice

A nuisance variable is

• A) the same as a confounded variable
• B) a second independent variable in an experiment
• C) one that is included even though it is not of theoretical interest
• D) Both b and c are correct.

---

Definitions:

Promoter

A region of DNA that initiates transcription of a particular gene, playing a crucial role in regulating gene expression.

Operator

A segment of DNA to which a repressor protein binds, regulating the expression of genes by blocking the attachment of RNA polymerase to the promoter region.

RNA Polymerase

An enzyme that synthesizes RNA from a DNA template, essential for the transcription phase of protein synthesis.

Translational Controls

Regulatory mechanisms in gene expression that control the rate and timing of protein synthesis from mRNA.