Chapter 5, Problem 7RQ

A scientist compares the plasma membrane composition of an animal from the Mediterranean coast with one from the Mojave Desert. Which hypothesis is most likely to be correct?

1. The cells from the Mediterranean coast animal will have more fluid plasma membranes
2. The cells from the Mojave Desert animal will have a higher cholesterol concentration in the plasma membranes
3. The cells’ plasma membranes will be indistinguishable
4. The cells from the Mediterranean coast animal will have a higher glycoprotein content, while the cells from the Mojave Desert animal will have a higher lipoprotein content.