A laboratory analysis compares the plasma membranes of E. coli and a human liver cell. Which lipid component is uniquely absent in the bacterial membrane?
Q1. A laboratory analysis compares the plasma membranes of E. coli and a human liver cell. Which lipid component is uniquely absent in the bacterial membrane?
Answer: Cholesterol
Explanation: Prokaryotic membranes lack sterols like cholesterol, which are essential for maintaining fluidity in eukaryotic plasma membranes.