4 Pics 1 Word | Purse, Belt, Shoes

Given Pictures:
(1) eggs sitting in a pile of flour
(2) purse, belt, shoes
(3) beaker with different colors
(4) white puzzle missing one piece.

4 Pics 1 Word | Microscope - DNA

Given Pictures:
(1) A Scientist doing experiment
(2) Microscope
(3) HO chemical structure with blue and yellow chemicals
(4) DNA