Savannas are tropical regions characterized by scant, seasonal rainfall that supports grasses and a few drought-resistant trees
Indicate whether the statement is true or false
TRUE
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MacConkey agar is
A. a selective agar. B. a differential agar. C. a selective and differential agar. D. used to distinguish between bacteria by the type of hemolysis observed.
In glycolysis the net number of NADH produced is
A. 4. B. 3. C. 2. D. 0. E. 30.
The locus B on the X chromosome of a malaria-carrying mosquito shows a 49% recombination rate with respect to the locus M
Since a recombination rate of 50% is essentially indistinguishable from independent assortment, you might be tempted to look for a locus that falls between B and M. Before you decide to do all that work, you run a chi square test to determine the P value of your experiment. Which of the following P values would be most likely to tell you that you should accept the conclusion that locus B and locus M are, indeed, 49mu apart and that another locus is not necessary? A. P = 0.45 B. P = 0.07 C. P = 0.05 D. P = 0.0007
Which geological timescale contains the greatest number of years?
A. Periods B. Epochs C. centuries D. eras E. Decades