Based on electron configuration, which of the elements in the figure above would exhibit a chemical behavior most like that of oxygen?
A) carbon
B) nitrogen
C) sulfur
D) phosphorus
C
Biology & Microbiology
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Which functional group acts as an organic base?
a. carbonyl b. hydroxyl c. phosphate d. amino
e. carboxyl
Biology & Microbiology
The hydrophobic tails of a phospholipid are composed of
A. fatty acids. B. phosphate. C. alcohol. D. glycerol. E. All of these choices are correct.
Biology & Microbiology
Which carbohydrate is of most importance to living organisms?
A) fructose B) maltose C) galactose D) glucose E) cellulose
Biology & Microbiology
The tree in the figure is based on which type of traits, and what is the name of the genus for the most recent horse?
A. Genetic homology: Pliohippus. B. Genetic (DNA): Orohippus. C. Morphological: Equus. D. Morphological: Hyracotherium. E. Molecular: Equus.
Biology & Microbiology