★ The Chemistry of Microbiology Quiz
The element carbon has 6 protons and 6 neutrons in its nucleus. Which of the following represents the carbon-14 isotope?
A. 6 protons, 8 neutrons
B. 6 protons, 7 neutrons
C. 7 protons, 6 neutrons
D. 8 protons, 6 neutrons
Preview next quiz:
What do you call substances that can be added to a microbial culture to prevent drastic changes in pH?
A. supplements
B. antacids
C. bases
D. buffers
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