A certain species of pine tree survives only in scattered locations at elevations above 2,800 meters in the western United States. To understand why

this tree grows only in these specific places, an ecologist should ________.

#Question id: 19829

#Unit 12. Applied Biology

At the site of infection in plants accumulation of which compounds leads to host cell death

#Question id: 19827

#Unit 12. Applied Biology

What kind of molecules is Phytoalexins

1. Low molecular weight antibiotic

2. High molecular weight antibiotic

3. Polyphenolic

4. Terpenoid compounds

Which of the following is a correct option?

#Question id: 19826

#Unit 12. Applied Biology

 _________are low molecular weight antibiotic polyphenolic or terpenoid compounds produced by plant cells

#Question id: 19825

#Unit 12. Applied Biology

The elicitor produced by a pathogen is which type of molecule 1. Protein encoded by an avirulence gene 2. Products of metabolic activity of this protein Which of them are correct?

1. Protein encoded by an avirulence gene

 2. Products of metabolic activity of this protein

Which of them are correct? 

Which of them are correct?ch of them are correct? 

#Question id: 19824

#Unit 12. Applied Biology

Several biochemical reactions heading to the production of active oxygen species, phytoalexin biosynthesis occurs due to

#Question id: 19823

#Unit 12. Applied Biology

The elicitors are recognized by receptor-like molecules present in resistant plants. This recognition initiates several biochemical reactions such as

1. Phytoalexin biosynthesis

2. Cell wall reinforcement

3. Release of hydrolytic enzymes

4. Rapid cell death

Which of the following is/are correct?