There Is a Mutation in the Operator of the Lac

question 21

Multiple Choice

There is a mutation in the operator of the lac operon in a cell such that the lac repressor always stays bound to the operator. If lactose is added to the cell, what will happen?

• A) Lactose will bind to the repressor, and lac enzymes will be produced.
• B) Lactose will bind to the repressor, and lac enzymes will not be produced.
• C) Lactose will not bind to the repressor, and lac enzymes will be produced.
• D) Lactose will bind to the operator, and lac enzymes will be produced.

---

Definitions:

μ = 5

This denotes that the population mean (μ) is equal to 5, often used in statistical formulas and hypotheses testing.

Research Hypotheses

Statements made by researchers that predict a relationship between two or more variables.

Statistical Hypothesis

An assumption or claim about the characteristics or parameters of a population, which can be tested using statistical methods.

Population Parameters

Numerical values that summarize data for an entire population, such as the mean or standard deviation.