What Happens to DNA When Placed into an Aqueous Solution

question 24

Multiple Choice

What happens to DNA when placed into an aqueous solution at physiological pH?

• A)individual DNA molecules attract each other due to presence of positive and negative charges
• B)individual DNA molecules repel each other due to presence of negative charges
• C)individual DNA molecules repel each other due to presence of positive charges
• D)DNA molecules bind to negatively charged proteins
• E)none of the above

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Definitions:

Physical Input

A hardware interface through which real-world data is received by a system or device.

Input Voltage

The electrical potential difference provided to the input terminals of a device, necessary for its operation.

Memory Map

A schematic detailing the allocation of system memory to various functions and programs, used in programming and system design for resource management.