7. Listeria monocytogenes is pathogenic (immunocompromised), and contaminates milk and meat - notable because it can reproduce __________ and can survive inside phagocytic lleukocytes
When refrigerated
When at high temperatures
8. Many mycoplasmas have a pear-like shape where they attatch to eukaryotes
True
False
9. Flesh eating streptococci are of particular concern to health care providers
True
False
10. Streptococcus and enterococcus (low c-g gram positive) are known to cause numerous human disease, they are currently in the news over strains that have become multi-drug resistant
True
False
11. What is the salinity of sea water?
3.5%
35%
12. Clostridia _____ form endospores
Can
Can't
13. Which bacteria is anoxygenic?
Green and purple phototrophic bacteria
Cyanobacteria
14. These low c-g gram positive bacteria are pleomorphic because
They lack cell walls
They lack thick membranes
15. The first prokaryotes assigned to the domain Archaea were exremophiles
True
False
16. A representitive of the deeply branching bacteria is
Aquifex
Clostridia
17. Many prokaryotes are actually mosaics of genes that are taken from other species
True
False
18. Green and purple bacteria use ___________ for photosynthesis
Bacteriochlorophylls
Chlorophyll a
19. Are the deeply branching bacteria autotrophs or heterotrophs
Autotrophs
Heterotrophs
20. Gram positive bacteria are classed on their ______ ratio
