The electronegativity of nitrogen (N) is 3.0, while the electronegativity of hydrogen (H) is 2.1. Knowing this, consider how the electrons will be shared in ammonia (NH3 ). What do you predict about the polarity of ammonia?
A. Each H atom has a partial positive charge
B. The N atom has a partial positive charge
C. Each H atom has a partial negative charge
D. The N atom has a strong positive charge
A. Each H atom has a partial positive charge
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Which of the following best describes a species' niche?
A. where it lives B. what it eats C. all of the climatic conditions to which it is adapted D. with whom it reproduces E. its habitat and how it uses available resources in that habitat
The physical location in which an organism lives is termed its
A. community. B. habitat. C. ecosystem. D. range. E. home boundary.
If more than one codon specifies the same amino acid, the code is said to be
A) complementary. B) inverse. C) redundant. D) ambiguous. E) degenerate.
All the nucleotide sequences in a transcribed mRNA are used in translation. Indicate whether the statement is true or false