8. Gel electrophoresis sorts DNA molecules on the basis of their (A) nucleotide sequence. (B) size. (C) ability to bind to mRNA. (D) solubility in water. (E) solubility in the gel.

8. Gel electrophoresis sorts DNA molecules on the basis of their
(A) nucleotide sequence.
(B) size.
(C) ability to bind to mRNA.
(D) solubility in water.
(E) solubility in the gel.

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10. Which of the following is considered a likely explanation for the events ofthe Cambrian explosion? (A) Complex predator-prey relationships and increased atmospheric oxygen levels led to a mass extinction event. (B) A great surge of volcanic activity was triggered by significant movements of the continental plates and possibly by an asteroid impact. (C) Complex predator-prey relationships and increased atmospheric oxygen levels promoted animal diversification. (D) The massive growth of swamp vegetation depleted the atmosphere's carbon dioxide and eventually cooled the Earth's climate. (E) Solar flares led to increased UV radiation intensity, which in turn promoted a high rate of mutation. This led to rapid diversification of animals.

8. Gel electrophoresis sorts DNA molecules on the basis of their
(A) nucleotide sequence.
(B) size.
(C) ability to bind to mRNA.
(D) solubility in water.
(E) solubility in the gel.

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8. Gel electrophoresis sorts DNA molecules on the basis of their(A) nucleotide sequence.(B) size.(C) ability to bind to mRNA.(D) solubility in water.(E) solubility in the gel.

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相關試題

相關試卷

8. Gel electrophoresis sorts DNA molecules on the basis of their
(A) nucleotide sequence.
(B) size.
(C) ability to bind to mRNA.
(D) solubility in water.
(E) solubility in the gel.