Following treatment with restriction enzymes, what procedure would be used to separate DNA fragments of different lengths?

A. transformation
B. amplification
C. microarray analysis
D. polymerase chain reaction
E. gel electrophoresis


Answer: E

Biology & Microbiology

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At what level of organization does life begin?

a. digestive system b. cell c. molecule (water) d. molecule (DNA) e. population

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Ionic bonds are important in biological structures. Which of the following pairs of molecules would form an ionic bond?

A) two water molecules B) two amino acids with oppositely charged functional groups C) two different stereoisomers of the same sugar D) two phospholipids E) a water molecule and a lipid

Biology & Microbiology

The human chromosomes that do not determine gender are

A. not found in pairs. B. the "X" and "Y" chromosomes. C. autosomes. D. called sex chromosomes. E. None of the answers are correct.

Biology & Microbiology

If a cell contains only one member of each pair of homologues, it referred to as ________

Fill in the blank(s) with correct word

Biology & Microbiology