A molecule of water in the middle of a chunk of ice will usually have ____ hydrogen bonds with other water

molecules.



a. 2
b. 3
c. 3.4
d. 4
e. 6


ANSWER: d

Biology & Microbiology

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Which field of ecology analyzes how large-scale ecological factors influence local populations and communities?

a. conservation ecology b. mixed-use conservation c. alpha-diversity

d. landscape ecology e. community ecology

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For a very rare inherited disease, the frequency of heterozygotes in a population is

A) approximately half that of the dominant allele. B) approximately double that of the recessive allele. C) very close to 0. D) near 1.

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Macroplankton are organisms visible to the naked eye and generally exceed ____ in size

a. 5 mm b. 1 mm c. 5 mm d. 10 mm e. 10 cm.

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The full set of genetic instructions of an organism is its (phenotype/genome/genotype).

Fill in the blank(s) with the appropriate word(s).

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