Read the following statements and find out the incorrect statements will reference to agarose gel electrophoresis
(i) Now-a-days the most commonly used matric is agarose which is a synthetic polymer extracted from sea weeds
(ii) Large the frament size, the farther it moves
(iii) We can not see pure DNA in UV light without staining
(iv) DNA fragments separate (resolve) according to their size through sieving effect provided by the agarose gel

Options

A. i, ii and iii
B. ii, iii and iv
C. iii and v
D. i and ii

Answer

D

Explanation

(i) Now-a-days the most commonly used matrix is agerose which is a natural polymer extracted from sea weeds.
(ii) Smaller the frament size, the farther it moves