Citrobacter braakii: a major cause of false‐positive results on macconkey and levine's eosin methylene blue selective agars used for the isolation of escherichia coli from fresh vegetable samples

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation:

answer; both surfaces of the membrane are nonpermeable