Examlex
Which of the following best describes the basis for separation of DNA fragments during agarose gel electrophoresis?
Colds
A viral infectious disease of the upper respiratory tract that primarily affects the nose, throat, sinuses, and larynx.
Indirect Contact
The transmission of pathogens or substances from one person to another through an intermediate object or person.
PID
Pelvic Inflammatory Disease, an infection of the female reproductive organs.
Infertility
The inability to conceive a child after a year or more of regular sexual intercourse without using birth control.
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