If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is
A. cell wall.
B. capsule.
C. slime layer.
D. cell membrane.
E. endospore.
Answer: A
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a. A b. B c. C d. D e. E
The atomic number of nitrogen is 7. Nitrogen-15 has a greater mass number than nitrogen-14 because the atomic nucleus of nitrogen-15 contains _____
A) 7 neutrons B) 8 neutrons C) 8 protons D) 15 protons
A behavioral pattern can be triggered by a(n):
a. circadian rhythm. b. environmental stimulus. c. positive reinforcement. d. psychological stimulus. e. sign stimulus.
Imperfect multicollinearity is when:
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