Questions - Misc 02 Flashcards
During which phase of the growth curve is there an absence of nutrients so the number of new cells equals the number of cells that are dying?
Stationary phase
During which phase of the growth curve have toxins started to accumulate?
Death phase
Which are the three elements of gene transfer?
Plasmids
transposons
bacteriophages
Which type of gene transfer is mediated by bacteriophages?
Transduction
Which type of gene transfer is the incorporation of free DNA?
Transformation
Which type of gene transfer can F transfer take place in?
Conjugation
At which phase do we measure generational time and competence also occurs during this phase?
Log phase
The phage DNA does not become integrated into the bacterial genome in this type of transduction?
Generalized
The phage DNA does become integrated into the bacterial genome during this type of transduction
Specialized
Which are the three ways in which genes get transferred?
Conjugation
transformation
transduction
For bacteria, which is the most resistant life form?
Spores
What is the process by which spores are made?
Sporulation
What is the process by which a spore becomes a vegetative cell?
Germination
When do you see germination?
When conditions are good
What techniques can be used to get rid of spores?
Auto cleaving, gases and chemicals. Sterilization will get rid of endospores also
