Article 1: New Rules for Cellular Entry May Aid Antibiotic Development 01.What question was asked to develop new antibiotics for the research study? a.What are the properties of the molecules that may allow them to penetrate across the barrier? 02. What is the number of cellular membranes characteristic of Escherichia coli (E. coli) and gram-negative bacteria? 03.Why are gram-negative bacteria a critical priority group as it relates to human health?04.How do gram-negative bacteria take up nutrients?