Why Can Cholesterol Act as a "Fluidity Buffer" in Cell

question 2

Multiple Choice

Why can cholesterol act as a "fluidity buffer" in cell membranes?

• A) It is slightly amphipathic because of the presence of one hydroxyl group.
• B) It is slightly hydrophobic because of the presence of one hydroxyl group.
• C) It is slightly hydrophobic because of the presence of one carboxyl group.
• D) It is slightly amphipathic because of the presence of one carboxyl group.
• E) It is slightly hydrophilic because of the presence of one hydrocarbon group.

---

Definitions:

Linear Regression Model

A mathematical approach that fits a linear equation to observed data to model how a dependent variable changes in relation to one or more independent variables.

Standard Deviation

A statistic that measures the dispersion or variation of a set of values from their mean.

Confidence Interval

A range of values, derived from a data set, within which the true parameter value is estimated to lie with a certain level of confidence.

Expected Value

The weighted average of all possible values of a random variable, weighted by their respective probabilities.