Microorganisms and Disease Which is not a major defense mechanism in the stomach? Proteolytic enzymes All of these Low pH Dense normal flora Proteolytic enzymes All of these Low pH Dense normal flora ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive within macrophages survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive within macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The toxins produced by bacteria kill viruses encourage bacterial reproduction All of these interfere with physiological processes in the body kill viruses encourage bacterial reproduction All of these interfere with physiological processes in the body ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Prontosil is not used as an antibacterial agent an effective antibacterial both in animals as well as in in-vitro cultures an effective antibacterial when used in in-vitro cultures an effective antibacterial when used in animals not used as an antibacterial agent an effective antibacterial both in animals as well as in in-vitro cultures an effective antibacterial when used in in-vitro cultures an effective antibacterial when used in animals ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is All of these caused by a gram-positive bacterium caused by a spore-forming bacterium precipitated by the use of certain antibiotics All of these caused by a gram-positive bacterium caused by a spore-forming bacterium precipitated by the use of certain antibiotics ANSWER DOWNLOAD EXAMIANS APP