What percentage of the earth's atmosphere consists of nitrogen (N2) gas?
A. 0%
B. 10%
C. 28%
D. 44%
E. 78%
E. 78%
Biology & Microbiology
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Which is correct for the description "alkaline slant, acid butt, no H2S"?
a. Salmonella spp. b. E. coli c. Proteus spp. d. Pseudomonas spp.
Biology & Microbiology
What is the significance of the homeodomain?
What will be an ideal response?
Biology & Microbiology
Which of the following is NOT an endocrine gland?
A. pituitary B. testes C. thymus D. hypothalamus E. All are endocrine glands.
Biology & Microbiology
For a dichotomous treatment regression (X = 1 or 0), the mean outcome for the treated group (X = 1) is 35 and the mean outcome for the untreated group is 67. What will the slope of the regression line be?
A. 35 B. -32 C. 67 D. 67/2 = 33.5
Biology & Microbiology