A clinical report of a Gram stain performed on a swab from a patient’s throat reveals Gram-positive cocci that appear in long chains. Based on your knowledge of bacteria shapes and how names are often derived from those shapes, what organism is most likely responsible for the infection?

Which of the following features is present in Gram-negative bacteria, but absent in Gram-positive bacteria?

You are performing a Gram stain on Gram-negative bacteria, and you stop after the addition of the alcohol. What is the appearance of the bacteria at this point?

What is the FIRST step required for a pathogen to cause an infectious disease?

Which of the following organisms is rod-shaped?

Which of the following Eukaryotic organelles are of prokaryotic origin according to Endosymbiotic Theory? (select all that are true)

¿Qué enseña el cocinero Mario Moreno?

¿Qué NO se menciona como algo que se debe hacer en el momento de ir al supermercado?

¿Qué NO se menciona como algo que se debe hacer en el momento de ir al supermercado?

Exam Part 2