Which antibiotic binds to the D‑Ala‑D‑Ala terminus of peptidoglycan precursors, thereby inhibiting cell wall synthesis in Gram‑positive bacteria?
Anonymous Quiz
56%
A) Vancomycin
12%
B) Erythromycin
17%
C) Tetracycline
14%
D) Gentamicin
👨💻3
Which biochemical test is used to detect β‑lactamase production in bacteria?
Anonymous Quiz
22%
A) Oxidase test
31%
B) CAMP test
33%
C) Bile esculin test
13%
D) Nitrocefin test
❤3
1) In the carbohydrate fermentation test, which acid–base indicator is commonly used?
Anonymous Quiz
31%
A) Methylene blue
42%
B) Phenol red
21%
C) Tryptophan
6%
D) None of the aboveup
2) Which Yersinia species causes septicemia especially in patients with iron overload?
Anonymous Quiz
49%
A) Yersinia enterocolitica
28%
B) Yersinia pseudotuberculosis
19%
C) Both A & B
4%
D) None of the above
🔥5❤1
3) Which biochemical test is used to differentiate Streptococcus agalactiae from other streptococci?
Anonymous Quiz
15%
A) Bile tolerance test
10%
B) Carbohydrate assimilation test
65%
C) CAMP test
9%
D) Citrate utilization test
🔥4❤3