07sexam2 - Biology 203/402 Second Examination Spring, 2007...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Biology 203/402 Name__________________ Second Examination Spring, 2007 TA’s___________________ Multiple Choice: 1. Urease enzyme catalyzes the breakdown of urea into ___________. a. gelatin b. lactic acid c. ammonia d. hydrogen sulfide e. nitrogen 2. A normal flora intestinal bacterial genus named _____________ is a frequent cause of urinary tract infections. Since this organism produces urease, it easily survives the environment. a. Proteus b. Salmonella c. Shigella d. Enterobacter e. Pseudomonas 3. A positive urease test is ______________ in color. a. yellow b. blue c. green d. orange e. pink 4. Following incubation, gelatinase reactions are read and interpreted following exposure to temperatures of ____________ for 10-30 minutes. a. 4 o C b. 25 o C c. 30 o C d. 35 o C e. 55 o C Multiple Choice: Phenol Red Broths 5. An inoculated phenol red glucose broth is yellow and turbid at 24 hours, and is red and turbid at 48 hours. This bacterial species… a. fermented glucose b. did not ferment glucose and used the peptones for growth c. used up the glucose and resorted to peptones in the medium for growth d. a and c e. b and c 6. An inoculated phenol red sucrose broth is orange and turbid with reddening at the top at 24 hours, and red and turbid at 48 hours. This bacterial species a. fermented sucrose b. did not ferment sucrose c. utilized peptones in the medium for growth d. a and c e. b and c 7. An inoculated phenol red lactose broth was turbid with a bubble in the Durham tube at 48
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This test prep was uploaded on 04/17/2008 for the course BIOL 402 taught by Professor Faurot during the Spring '08 term at Kansas.

Page1 / 4

07sexam2 - Biology 203/402 Second Examination Spring, 2007...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online