Practice question
Question
The concentration of sodium chloride in the cytoplasm of a Halobacterium sp. was found to be 250 ng/nl. The molarity (in M) of sodium chloride is __________.
Explanation
The principle of verbal and logical reasoning explains that grammar, vocabulary and inference determine correct usage. Hence Option NAT fits best because it meets linguistic and logical standards, as documented in authoritative sources on general aptitude.
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