Gel electrophoresis separates DNA fragments on the basis of differences in their ________

A) A:C ratio
B) length
C) G:T ratio
D) pH


B

Biology & Microbiology

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Which of the following viral components is

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The conversion of solar energy to chemical

energy is known as a. metabolism. b. photosynthesis. c. chemosynthesis. d. catabolism. e. anabolism.

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The large crowns of pronghorn molars are an

adaptation to a. the size of their jaws. b. the type of food that they eat. c. the soft texture of their food. d. the high acid content of their mouths. e. none of these.

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How long did it take in the history of life on Earth to go from the first prokaryotic cells to the first eukaryotic cells?

A) 1,000 years B) 100,000 years C) 1 million years D) Over a billion years

Biology & Microbiology