Q19 · 2023 · Paper 1Unclassified1 mark
QUESTION 19
Electrophoresis separates DNA fragments based on
(A) size, with larger fragments travelling further through the gel.
(B) size, with smaller fragments travelling further through the gel.
(C) charge, with more positively charged fragments travelling further through the gel.
(D) charge, with more negatively charged fragments travelling further through the gel.
WORKED SOLUTION
1 markAnswer B
OFFICIAL ANSWERB
QCAA awards 1 mark for selecting option B.
Correct option from the official QCAA answer key.