Herbicides (E

question 7

Multiple Choice

Herbicides (e.g., "Roundup") that inhibit biosynthesis of "essential" amino acids are supposedly safe for animal exposure because animals do not have enzymes for:

• A) synthesis of the members of the 3-phosphoglycerate family
• B) the glyoxylate cycle.
• C) the glutamine synthesis pathway.
• D) Phe, Val, Leu, and Ile biosynthetic pathways.
• E) none are correct.