Gel electrophoresis is a technique that takes advantage of what property of DNA?

(a) Gel electrophoresis moves DNA across a gel through hydrophobic interactions of the hydrogen bonds
(b) Gel electrophoresis moves DNA across a gel because DNA has a negative charge
(c) Gel electrophoresis moves DNA across a gel through hydrophilic interactions of the hydrogen bonds
(d) None of the above are true


Answer: (b) Gel electrophoresis moves DNA across a gel because DNA has a negative charge

Biology & Microbiology

You might also like to view...

A karyotype reveals that an individual is XYY. Based on your knowledge of human genetics, you correctly conclude

that this individual has ____, and is a phenotypically _____. a. Turner syndrome; sterile female b. Turner syndrome; fertile female c. Klinefelter syndrome; sterile male d. Klinefelter syndrome; fertile male e. XXY karyotype; fertile male

Biology & Microbiology

The classic "Miller experiments," performed in the 1950s by Harold Urey and Stanley Miller, were the first to show that:

A. the average bill size of a population of Darwin's finches changed with environmental conditions, proving that microevolution can occur within a human lifetime. B) simple organic molecules, such as amino acids, could form spontaneously in the laboratory under chemical conditions mimicking those of primitive earth. C. natural selection could occur in a petri dish within a population of bacteria known to have differential abilities to digest complex sugars. D. water (H2O) could be separated into atmospheric oxygen and H2 gas.

Biology & Microbiology

The temperature-regulating center of vertebrate animals is located in the _____

A) thyroid gland B) hypothalamus C) subcutaneous layer of the skin D) liver

Biology & Microbiology

Table salt forms from sodium and chloride via hydrogen bonding.

Answer the following statement true (T) or false (F)

Biology & Microbiology