Penicillin will work better on gram positive bacteria rather than gram negative bacteria because it inhibits the formation of peptidoglycan.

You perform a gram stain on a cerebrospinal fluid sample from a patient with a meningitis. You see the presence of pink colored two circles together. You will write in your report that the patient has an infection with a:

Which of the following supports the endosymbiotic theory?

During aerobic respiration, the complete oxidation of 3 glucose molecules will produce —— net ATP’s.

Which of the following organisms is termed “triple decarboxylase negative” and has been implicated in a nationwide outbreak of septicemia from contaminated IV fluid?

Most pathogenic bacteria are:

Biochemically, the Enterobacteriaceae are gram negative rods that:

The prokaryotic members of the microbial world are:

Non-lactose fermenting strains of Citrobacter freundii may be confused with Salmonella.  The two can be distinguished by:

An isolate of Escherichia coli recovered from a stool of a patient with severe, bloody diarrhea should be tested for fermentation of which sugar before sending it to a reference laboratory for additional identification?