As a farmer you spray your weed-infested crops with a herbicide containing glyphosate. Glyphosate stops plants from producing aromatic amino acids needed for development. The main reason you are not worried this will affect the growth of your crops is that
A. glyphosate-resistant crops are produced to create higher amounts of enzymes that make aromatic amino acids.
B. crops have been sprayed with a soil bacteria that protects the plants from the mechanism of glyphosate.
C. crops are genetically engineered to extract higher amounts of aromatic amino acid from the soil bacteria.
D. different plants respond differently to glyphosate; some crops have an enzyme that breaks down glyphosate to a harmless substrate.
Answer: A
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A. savanna B. hot desert C. tropical rain forest D. temperate deciduous forest E. taiga
The first half of the menstrual cycle is know as the _______ phase.
Fill in the blank(s) with the appropriate word(s).
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increased wind. b. increased humidity. c. increased temperature. d. presence of sunlight. e. an increase in dry air.
Which of these muscle components is the smallest?
A) Muscle fiber B) Myofibril C) Myosin filament D) Skeletal muscle