Kovac's reagent is used in:
A. Nitrate test
B. Indole test
C. Catalase test
D. Methyl red test
Answer: B. Indole test
Biology & Microbiology
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The beginning of the industrial and scientific revolution occurred ____
a. when human population size was approximately one billion b. when human population size was approximately one million c. when human population size was approximately five million d. approximately 500 years ago e. approximately 100 years ago
Biology & Microbiology
Which is a defining characteristic of adaptive immunity?
a. nonspecificity b. diversity c. short-lived responses d. self recognition e. reliance on surface barriers
Biology & Microbiology
Which structure, A, B, C, or D, is the developing neural tube?
1.A
2.B
3.C
4.D
Biology & Microbiology
Muscles can only pull; they cannot push.
Answer the following statement true (T) or false (F)
Biology & Microbiology