Kovac’s oxidase test is a key test for identifying :

All these contain IgA1 protease except

Bacterial cells that have such ability called competent cells take DNa by

The most common complication of meningococcemia is

Type of botulinum toxin is

Type of diphtheria toxin (دفرات) is

Quellung reaction (capsule swell) is a characteristic of detection

Which N. Meningitidis vaccine that provide protection against group B maningococci