A Bacterium Is Unable to Transport Lactose into the Cell

question 1

Multiple Choice

A bacterium is unable to transport lactose into the cell to be broken down. Which gene is likely mutated in this bacterium?

• A) lacI
• B) lacP
• C) lacO
• D) lacY
• E) lacZ

---

Definitions:

Least-Squares

A mathematical approach used to minimize the sum of the squares of the differences between observed and predicted values.

Regression Parameters

Parameters in a statistical model that estimate the relationship between independent variables and a dependent variable.

Least Squares

A mathematical method used to find the best-fitting line or curve to a given set of data points by minimizing the sum of the squares of the differences between the observed and predicted values.

Sum Of Squares

The sum of the squared differences between each observation and the overall mean, used in various statistical methods.