Which of the following proteins allow a plant to mount an immune response against a specific pathogen? Select all correct choices
A. flagellin receptors on the plasma
membrane
B. avirulence (AVR) proteins formed by
pathogens
C. resistance (R) proteins in the plant
cytoplasm
D. chitin receptors on the plasma membrane
B,C
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Which of the following statements is true about susceptibility testing or treatment of P. aeruginosa?
a. Susceptibility testing is required to detect intrinsic resistance. b. Repeat susceptibility testing may be needed to monitor development of resis-tance. c. Susceptibility testing of isolates from cys-tic fibrosis patients following standard protocols gives reliable results. d. Treatment with a single antimicrobial agent, such as <-lactam with antipseu-domonal activity, is recommended.
People who have received the BCG immunization will generally have a negative tuberculin skin test.
Answer the following statement true (T) or false (F)
_____ are mycorrhizal fungi with hyphae that grow into a root cell and branch inside it
a. Glomeromycetes c. Zygote fungi b. Chytrids d. Club fungi
Steroid hormones are derived from what molecule?
A. peptides B. protein C. modified amino acids D. glycoproteins E. cholesterol