The two strands of a double helix of DNA are linked by what kind of bond?
A) sugar-phosphate linkages
B) base-phosphate linkages
C) hydrogen bonds between sugars and phosphates
D) hydrogen bonds between bases
E) sugar-base linkages
Answer: D
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Indicate whether the statement is true or false
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A. is nonpolar. B. has a low heat of vaporization. C. has cohesive properties. D. evaporates and increases body temperature. E. is a relatively poor solvent.
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