Growth factors CORRECT ANS-organic compounds that cannot be synthesized by an
organism but are essential for growth
- amino acids
- purines/pyrmidines
- vitamins
Nutrient Concentration CORRECT ANS-Growth rate depends on amount of nutrients in the
environment
Aerobes CORRECT ANS-Grow in the presence of oxygen
Obligate aerobes CORRECT ANS-Require oxygen
Microaerophiles CORRECT ANS-Grow best when there is less oxygen than normal
, EXAM 2: MCB 2610 Exam 2|181 Questions with
Complete Solutions
Anaerobic CORRECT ANS-Growth occurs without oxygen
Aerotolerant anaerobes CORRECT ANS-Aren't harmed by oxygen, but don't use it either.
Obligate anaerobes CORRECT ANS-Cannot grow when oxygen is present
Facultative anaerobes CORRECT ANS-Can use oxygen but can also grow in the absence of
oxygen
Reactive Oxygen Species CORRECT ANS-Reduced from oxygen
Strict anaerobic microbes CORRECT ANS-Lack superoxide dismutase and catalase
(protective enzymes)
Anaerobic workstation CORRECT ANS-Incubator, work gloves, airlock
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