Crops That Are Resistant to the Herbicide Roundup ____

Multiple Choice

Crops that are resistant to the herbicide Roundup ____.

A) express the enzyme degraded by Roundup at high levels so that not all of the enzyme is inhibited
B) have an extra coating outside their cell wall that inhibits Roundup from entering the cells
C) contain a bacterial version of the chloroplast enzyme inhibited by Roundup
D) produce a compound that degrades Roundup
E) do not have the membrane channels through which Roundup enters the plant