Lab 9 Flashcards
(4 cards)
1
Q
How does agarose gel electrophoresis separates DNA?
A
By the charged ends of the gel electrophoresis, larger or heavier pieces of DNA travel less than smaller or lighter pieces of DNA
2
Q
Which bands of DNA are bigger/longer on an agarose gel?
A
The bands that are closer to the negative end of the gel electrophoresis machine
3
Q
Which bands of DNA are smaller/shorter on an agarose gel?
A
The bands that are closer to the positive end of the gel electrophoresis machine
4
Q
What makes nucleic acids negative?
A
Phosphate backbone
