NBME1

Prep for USMLE Forum

» Log in | Register

Forum

Step 1

Match

Prep4USMLE Forum » USMLE Step 1 Forum » Microbiology Forum

NBME1

Author

8 Posts

laura81
Forum Elite

Topics: 32
Posts: 175

02/10/07 - 02:50 AM

A 50-year-old man who recently immigrated to the USA from Russia develops fever, swelling of the neck, and difficulty swallowing. His vaccination history is uncertain. Examination of the throat shows a gray membrane across the pharynx. The pathogen responsible for this infection most likely acquires its virulence through which of the following genetic events?

A ) Acquisition of a transposon

B ) Chromosomal mutation

C ) Conjugation

D ) Recombination

E ) Transduction

Clozapine
Forum Elite
avatar

Topics: 15
Posts: 167

02/10/07 - 08:43 AM

E. bacteriophage mediated DNA transfer and lysogenic conversion in C. dipthreiae

laura81
Forum Elite

Topics: 32
Posts: 175

02/10/07 - 09:00 AM

thanks

sixfeet
Forum Senior
avatar

Topics: 4
Posts: 118

03/22/07 - 12:28 PM

ya other phage mediated are: clostridium-.. botilinium and tetni... streptococcal erytherogenic toxin..

___________________
GOD BE MY SHEPHERD!!

lq2006
Forum Elite

Topics: 43
Posts: 382

05/24/07 - 09:21 PM

E
it's C. dipthreiae

SmokyWaters
Forum Elite

Topics: 6
Posts: 458

06/07/07 - 06:50 PM

transduction...lysogeny..temperate phage...

rumorsweretrue
Forum Newbie

Topics: 0
Posts: 2

06/18/07 - 06:12 PM

Exotoxins acquired by lysogenic bacteriophages:

Botulinum toxin
Cholera toxin
Diphtheria toxin
Erythrogenic/pyrogenic toxin of Strep

new_n_lost
Politically InCorrect
avatar

Topics: 650
Posts: 6,056

06/18/07 - 08:02 PM

Clozapine wrote:
E. bacteriophage mediated DNA transfer and lysogenic conversion in C. dipthreiae

___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

You don't have permission to post.