Which of the following bacterial pairs is LEAST related? Multiple Choice
Vibrio cholerae O1 AND Vibrio cholerae O139
Escherichia coli O157:H7 AND E. coli O157:H4
Escherichia coli K AND Escherichia coli B12
Bacillus subtilis AND Bacillus cereus
Streptococcus pneumoniae AND Mycoplasma pneumoniae

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

Explain why scientists use the word dominant for certain traits.