What relationship between LDLs and HDLs is the healthiest?
A) high levels of LDLs and low levels of HDLs B) low levels of both HDLs and LDLs
C) low levels of LDLs and high levels of HDLs D) high levels of both HDLs and LDLs
Answer: C
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Which term best describes the water in a sugarwater solution?
A) product B) reactant C) solute D) solvent
Stored energy is called ________ energy.
Fill in the blank(s) with the appropriate word(s).
PP =purple, Pp =purple, pp =white. The offspring of a cross between two heterozygous purple-flowering plants (PP x PP) results in
A. all purple-flowered plants. B. ''purple-flowered plants and white-flowered plants. C. two types of white-flowered plants: PP and Pp. D. all white-flowered plants. E. all pink-flowered plants
What is the purpose of an enzyme's 3?–5? exonuclease activity?
a. to unwind the double helix b. to excise incorrectly added bases c. to polymerize DNA d. to repair lesions e. to remove RNA primers