An atom of magnesium has lost two electrons. It is known as a(n) ________
A) anion
B) molecule
C) isotope
D) cation
E) neutral atom
D
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The most common element in the human body is ________
A) carbon B) oxygen C) hydrogen D) nitrogen
Which of the following is not a principle of the cell theory?
a. Most cells come from preexisting cells. b. Cells are the smallest things that can be alive. c. A cell's structure determines the cell's ability to function. d. All cells have certain fundamental structures and functions in common. e. Cells are the fundamental living building blocks of multicellular organisms.
Which of the following is NOT one of the three large nerve tracts connecting the cerebellum to the rest of the central nervous system?
A) superior cerebellar peduncles B) middle cerebellar peduncles C) inferior cerebellar peduncles D) anterior cerebellar peduncles
Water reabsorption cannot occur from any portion of the nephron in the absence of vasopressin
Indicate whether the statement is true or false