contestada

A particular characteristic of disease-causing Streptococcus is A. catalase production.B. beta-hemolysis.C. lactic acid production.D. growth at refrigerator temperatures.

Respuesta :

Answer:

beta-hemolysis

Explanation:

  • Streptococci is gram-positive bacteria that lack catalase and oxidase but can cause beta hemolysis.
  • Beta hemolysis is referred to as the incidence of complete lysis of red blood cells in the media around and under the colonies of Streptoccal growth.
  • The lysis of red blood cells is caused due to the production of streptolysin by these bacteria.
  • Streptolyiss is a type of an exotoxin which is responsible for the complete lysis of the red blood cells.

Otras preguntas

Q&A Education