A chemical bond formed by the sharing of electrons is described as a(n)
A) coordinate bond
B) mixture
C) ionic bond
D) covalent bond
Ans: D) covalent bond
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The genetic code is
A. the correspondence between a specific amino acid and a specific gene. B. the correspondence between a DNA nucleotide and an RNA nucleotide. C. the correspondence between a gene and a genome. D. the correspondence between a sequence of three DNA nucleotides and a specific amino acid.
Heat-releasing mechanisms include which of the following?
A) vasodilation and sweating B) sweating C) vasodilation D) vasoconstriction and sweating E) vasoconstriction
Which tract transmits conscious sensory impulse regarding pain and temperature?
a. dorsal cerebellar b. ventral spinothalamic c. lateral spinothalamic d. lateral corticospinal e. rubrospinal
Which of the following serves as a nucleus in the midbrain that is involved in maintaining muscle tone and coordinating movements?
A) inferior olivary nucleus B) cerebral peduncles C) substantia nigra D) suprachiasmatic nucleus