Which of These Is a General Feature of the Lipid

question 6

Multiple Choice

Which of these is a general feature of the lipid bilayer in all biological membranes?

• A)Individual lipid molecules are free to diffuse laterally in the surface of the bilayer.
• B)Individual lipid molecules in one face (monolayer)of the bilayer readily diffuse (flip-flop)to the other monolayer.
• C)Polar,but uncharged,compounds readily diffuse across the bilayer.
• D)The bilayer is stabilized by covalent bonds between neighboring phospholipid molecules.
• E)The polar head groups face inward toward the inside of the bilayer.

---

Definitions:

Veterans

Individuals who have served in the military, especially those who have served in combat.

Null Hypothesis

In statistical analysis, the hypothesis that there is no effect or no difference, and any observed difference is due to sampling or experimental error.

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Research Hypothesis

A specific, testable prediction about the relationship between at least two variables in a population, based on theory or previous research.