The series of metabolic events that occurs within tomato plants in response to wounding is
A. a systemic response.
B. a waterfall effect.
C. the hypersensitive response.
D. a pathogen-specific response.
E. resistance to coevolution.
A. a systemic response.
A systemic response refers to a response to injury that is spread throughout, system-wide, of the body of the organism. For example, wounding a tomato leaf leads to the production of jasmonic acid in other parts of the plant.
You might also like to view...
The rusts of grain crops are good examples of ________.
A. basidiomycetes B. zygomycetes C. ascomycetes D. Rusts fall in several different fungal groupings.
The oldest well-documented flowering plant fossils are Archaefructus, dating to about
a. 1.5 billion years ago. b. 420 million years ago. c. 250 million years ago. d. 125 million years ago. e. 17 million years ago.
The malformation in the animal pictured in the figure
above is caused by which of the following? a. increases in UV light b. chytrid fungi c. a parasitic fluke d. introduction of an alien amphibian e. none of these
An enzyme that has been isolated from retroviruses and is used to generate cDNA is
A. reverse endonuclease. B. recombinant RNase. C. RNA polymerase. D. transverse ligase. E. reverse transcriptase.