In Gene Expression, When Does Negative Control Occur? When

question 20

Multiple Choice

In gene expression, when does negative control occur? When

• A) lactose is transported into the cell.
• B) a kinase adds a phosphate to DNA.
• C) an activator is removed from DNA and shuts down transcription.
• D) DNA is coiled too tightly for genes to be transcribed.
• E) a repressor binds to DNA and shuts down transcription.

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Definitions:

Standard Deviation

A statistic that measures the dispersion or variability in a dataset relative to its mean, indicating how spread out the numbers are.

Mean

The arithmetic average of a set of values, calculated by dividing the sum of these values by the number of values.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much individual data points differ from the mean.

Normal Curve

A bell-shaped curve showing the usual frequency distribution of values of measured human traits and other natural phenomena.