DNA Fragments Can Be Separated in Gel Electrophoresis Because ______

question 46

Multiple Choice

DNA fragments can be separated in gel electrophoresis because ______.

• A) nitrogenous bases have a net negative charge
• B) nitrogenous bases have a net positive charge
• C) phosphate groups have a net positive charge
• D) phosphate groups have a net negative charge

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Definitions:

Optic Chiasm

An X-shaped structure in the brain where the optic nerves partially cross, involved in the visual processing system.

Visual Field

The entire area that can be seen when the eyes are focused in one direction, including both central and peripheral vision.

The Fovea

A small depression in the retina of the eye where visual acuity is highest, due to a high concentration of cones.

Curved Surface

A smooth, continuous, non-flat boundary or shape that bends or arcs.