Microbial Growth Flashcards

1
Q

What are three types of Microbial Division

A

Binary Fission, Budding, Multiple Fission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The time it takes a cell to divide

A

Generation time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 3 requirements for growth

A

energy, materials, appropriate conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Most pathogenic bacteria fall into this category of energy source

A

Chemoheterotrophs (energy from organic compounds)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Organisms that require oxygen to live

A

Obligate Aerobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Organisms that require a low dose of oxygen

A

Microaerophiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Organisms that can tolerate no oxygen, but would prefer it

A

Facultative Anaerobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Organisms that require the absence of oxygen

A

Obligate Anaerobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Organisms that can’t use oxygen but can tolerate it

A

Aerotolerant Anaerobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Agent used to gather free iron (limiting reagent in growth)

A

Siderophore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

4 environmental conditions that affect growth

A

temperature, pH, pressure, other organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Type of of organisms that live in us (in terms of temperature)

A

Mesophiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Tolerates high salt concentrations

A

Halophiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Tolerates high sugar concentrations

A

Osmophiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Tolerates desiccating conditions (lack of water)

A

Xerophiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Tolerates intense pressure

A

Piezophiles

17
Q

Communities of microorganisms that are bound by a thick matrix. Used for life cycle or survivals advantage

A

Biofilms

18
Q

Depict the amount of bacteria in a population over time

A

Bacterial Growth Curves

19
Q

Allows for a chemically controlled system of microbial growth

A

Chemostat

20
Q

Phase of growth curve with little to no cell division

A

Lag Phase

21
Q

Phase of growth curve when bacteria divide logarithmically

A

Log Phase

22
Q

Growth phase where population remains stable. growth = death

A

Stationary Phase

23
Q

Growth phase where population decreases

A

Death Phase

24
Q

Growth phase where dying cells release nutrients

A

Prolonged decline phase