Why does mercury tend to biomagnify in fish?
A) Mercury has a strong chemical affinity for sulfur, a component of protein.
B) Fish prefer the taste of mercury-containing algae and protists.
C) The processing of fish uses mercury, which then taints the fish.
D) Mercury is a metal and all metals biomagnify.
E) Because it is water soluble, mercury accumulates in the gills of fish.

Question

Quizplus · Accepted Answer

Mercury, particularly in its methylmercury form, binds strongly to sulfur-containing proteins, which are abundant in fish tissues, leading to biomagnification up the food chain.

Why Does Mercury Tend to Biomagnify in Fish