Question 1

Green and purple sulfur bacteria will carry out anaerobic photosynthesis primarily in
◦ zone 1.
◦ zone 2.
◦ zone 3.
◦ zone 4.
◦ both zones 1 and 2.
Question 2
Which of the following bacteria is a common soil contaminant that may cause disease in humans and is a biological select agent?
◦
Aspergillus oryzae◦
Lactoccocus cremoris◦
Bacillus anthracis◦
Cyanobacteria◦
Streptomyces scabies