Nitrogen is required to synthesize which of the following defensive compounds (which are, as a result, very costly for plants to produce)? Select all correct choices
A. alkaloids
B. menthol
C. phenols
D. nicotine
E. terpenes
A,D
You might also like to view...
As ATP begins to accumulate in the cytoplasm of animal cells, the extra glucose ____
a. enters glycolysis more rapidly b. is converted into glycogen c. is converted into starch. d. is converted into proteins e. is converted into carbohydrates
The plant movement in the above figure is caused by
a. auxin differences in two sides of the coleoptile. b. gibberellin released in one side of the leaf. c. abscisic acid in two sides of the stems. d. salicylic acid in two sides of the roots. e. none of these.
What is the main difference between amphibians and reptiles?
A) Reptiles are tied to water for reproduction, while amphibians have amniotic eggs that can survive on dry land. B) Amphibians are tied to water for reproduction, while reptiles have amniotic eggs that can survive on dry land. C) Neither are tied to water for reproduction. D) There is little difference between amphibians and reptiles.
The power used by most bacterial flagellar motors is produced by ________.
A. ATP hydrolysis B. synthesis of glucose C. proton motive force (PMF) D. All of the choices are correct.