question_answer

Where does most nutrient uptake occur in roots?

A) At the root tip, where root tissue first encounters soil away from the zone of nutrient depletion.

B)        At the casparian strip, where ions must enter the symplast prior to entering xylem cells.

C)        In the symplastic and apoplastic pathways.

D)        In root hairs and in the zone of maturation.