2,4-D, a potent eudicot weed killer, is most likely a synthetic ____.
A. auxin
B. gibberellin
C. cytokinin
D. phytochrome
E. brassinosteroid
Answer: A
You might also like to view...
A rule of thumb known as the morphospecies concept holds that:
A. morphology may vary within a species on the basis of sex. B. morphology is generally consistent within a species. C. morphology is not a reliable indicator of common species. D. morphology may vary within a species on the basis of life stage.
Which of the following factors is LEAST likely to attract pollinators to a flower?
A. color of the flower in UV light B. the amount of nectar C. taste of the ovules D. color of the flower in visible light E. odor
PCR uses a special DNA polymerase that resists ____
a. time decay b. acids c. bases d. high temperatures e. centrifugation
Which of the following is the best way to state the relationship between "data" and "results"?
A) "Data" and "results" are two names for the same thing. B) "Data" are the facts you collect from your experiment, whereas "results" are your interpretation of what the data mean. C) Any two scientists examining the same "data" would draw the same "results." D) The "Data" section should always come before the "Results" section in a scientific paper. E) Results are collected from the experiment and then data analysis is done.