The energy expenditure of a mammal at rest, in the postabsorptive state, and at a standard temperature is referred to as its

A. basal metabolic rate.
B. standardized metabolic rate.
C. baseline metabolic rate.
D. activated metabolic rate.
E. total metabolic rate.


A. basal metabolic rate.

Biology & Microbiology

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Archimedes principle (liquid and gas)

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What experimental results would indicate that the mutation lacIs is dominant to lacI+?

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Biology & Microbiology

Salt is often used to melt ice on roads during the winter because it lowers the freezing/melting point of water. When salt dissolves in water, individual Na+ and Cl- ions break away from the salt lattice and become surrounded by water molecules. Why would this cause ice to melt?

A. Hydrogen bonds are broken, and the salt ions interfere with interactions between H and O. As a result, it is more difficult for water molecules to bond and form ice. B. Hydrogen bonds are formed, and the salt ions bond with O. As a result, it is more difficulty for water molecules to bond and form ice. C. Hydrogen bonds are broken, and the salt ions bond with O and H respectively. As a result, it is more difficult for water molecules to bond and form ice.

Biology & Microbiology

30. In meiosis, homologous chromosomes separate during

A. prophase II. B. anaphase I. C. prophase I. D. anaphase II. E. metaphase I.

Biology & Microbiology