Ch. 9 - Controlling Microbial Growth in the Environment
Problema 11
Hyperthermophilic prokaryotes may remain viable in canned goods after commercial sterilization. Why is this situation not dangerous to consumers?
Problema 12
Why are alcohols more effective in a 70% solution than in a 100% solution?
Problema 13
Contrast the structures and actions of soaps and quats.
Problema 14
What are some advantages and disadvantages of using ionizing radiation to sterilize food?
Problema 15
How can campers effectively treat stream water to remove pathogenic protozoa, bacteria, and viruses?
