Which of the following is described as a spore-forming, gram-positive Bacillus that is hemolytic, motile, Voges-Proskauer (VP)–positive, and citrate-positive and causes two types of food poisoning as a result of toxin release?
a. C. diphtheria
b. B. anthracis
c. B. cereus
d. C. jeikeium
C
B. cereus is another important species to identify. It is resistant to penicillin, c-hemolytic, and motile, and it produces a wide zone of lecithinase on egg yolk agar.
You might also like to view...
________ water is a slowly exchanging pool, and once it becomes polluted it is difficult to clean up
Fill in the blank(s) with correct word
Sexual reproduction in unicellular algae is accomplished by the cell acting as a (gamete/spore/zygote)
What will be an ideal response?
Antibodies enhance ____ of bacteria and viruses because cells, such as macrophages, have receptors on their surfaces
that recognize the ____ end of antibodies.
a. phagocytosis; heavy-chain b. phagocytosis; antigen-binding c. neutralization; heavy-chain d. neutralization; light-chain e. phagocytosis; light-chain
An organism that lacks a nucleus is called a(n):
A. Prokaryote B. Eukaryote