« previous next »

Author Question: What is the probable role of salicylic acid in the defense responses of plants? (Read 565 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Aug 16, 2013
What is the probable role of salicylic acid in the defense responses of plants?
A) to destroy pathogens directly
B) to activate systemic acquired resistance of plants
C) to close stomata, thus preventing the entry of pathogens
D) to activate heat-shock proteins
E) to sacrifice infected tissues by hydrolyzing cells


clippers!

  • Hero Member
  • *****
  • Posts: 828
Reply #1 on: Aug 20, 2013
I chose B and got the answer, hope that helps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Mechanisms of water movement from soil through plants to the atmosphere. Mechanisms of water movement from soil through plants to the atmosphere.
Eyespots on the wings of the Citrus Swallowtail (Papilio demodocus) are part of its defense Eyespots on the wings of the Citrus Swallowtail (Papilio demodocus) are part of its defense
Salicylic acid to asprin Salicylic acid to asprin
Defense Mechanisms Cont. Defense Mechanisms Cont.
Estimates of carbon stored in the plants and soils of different ecosystems. Estimates of carbon stored in the plants and soils of different ecosystems.
Concepts related to acid–base imbalances Concepts related to acid–base imbalances
Video: Genetic distance between human groups

For a complete list of videos, visit our video library