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:

Descriptive Statistics

Descriptive statistics summarize and describe the main features of a dataset through measures such as mean, median, and standard deviation.

Population

The entire group of individuals or instances about whom we hope to learn.

Relative Frequency Distribution

A statistical measure that shows the number of occurrences of each value of a variable relative to the total number of occurrences in a dataset.

Mutually Exclusive

Events or outcomes that cannot happen at the same time, meaning the occurrence of one event excludes the possibility of the other event.