Experiments with the Brown Alga Fucus Helped Determine That

Experiments with the brown alga Fucus helped determine that

A) the cytoplasm in the zygote is evenly distributed throughout.
B) the thallus anchors the alga to the surface on which it lives.
C) light and gravity do not affect rhizoid orientation.
D) magnesium gradients allow cell wall formation.
E) the ability to "remember" where a rhizoid should form depends on the presence of a cell wall.