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

Question

Quizplus · Accepted Answer

Crops resistant to Roundup typically contain a bacterial version of the enzyme that Roundup targets in plants. This bacterial enzyme performs the same function as the plant enzyme but is not inhibited by Roundup, allowing the plant to survive and grow even in the presence of the herbicide.

Crops That Are Resistant to the Herbicide Roundup ____