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Bot 380- week 3

Quiz by Lauren Phoenix

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12 questions
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  • Q1
    What does salicylic acid trigger in cells?
    Production of ATP
    Change in redox potential
    Increase in temperature
    Decrease in pH level
    30s
  • Q2
    What is the spatial extent of Hypersensitive Response (HR)?
    Systemic
    Local
    Regional
    Global
    30s
  • Q3
    What is the main purpose of Hypersensitive Response (HR)?
    To directly kill and damage pathogens
    To restrict pathogen from spreading
    To accumulate Salicylic Acid (SA)
    To synthesize antimicrobial phytoalexins
    30s
  • Q4
    What type of resistance does SAR provide?
    Broad-range resistance
    Leads to Pathogenesis-Related (PR) gene expression
    Systemic
    Secondary response
    30s
  • Q5
    What are the three main hormone signaling pathways in plants?
    ABA, JA, and ET
    Cytokinin, Auxin, and Brassinosteroid
    ABA, GA, and IAA
    SA, JA, and ET
    30s
  • Q6
    What is the benefit of cross-communication between hormone signaling pathways?
    Large regulatory capacity
    Improved nutrient uptake
    Higher fruit yield
    Increased plant height
    30s
  • Q7
    What type of signaling molecules are created from the breakdown of arachidonic acid?
    Steroids
    Neurotransmitters
    Eicosanoids
    Cytokines
    30s
  • Q8
    Bifunctional enzymes contain both cyclooxygenase & peroxidase activity. True or false?
    False
    Not sure
    Maybe
    True
    30s
  • Q9
    Which of the following is NOT a location where COX-1 is found?
    Stomach
    Kidney
    Platelets
    Macrophages
    30s
  • Q10
    Which enzyme is located in macrophages, leukocytes, and fibroblasts?
    COX-2
    Stomach
    Kidney
    COX-1
    30s
  • Q11
    What is the molecular basis for aspirin's analgesic, antipyretic, and anti-inflammatory effects?
    Platelets being unable to synthesize new enzyme
    Inhibition of only COX-2
    The combination of COX-1 & (at higher doses) COX-2 inhibition
    Low doses inhibiting COX-1 for the lifetime of the platelet
    30s
  • Q12
    What is the primary target of low dose aspirin?
    COX-2 in platelets
    COX-1 in endothelial cells
    COX-2 in endothelial cells
    COX-1 in platelets
    30s

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