Microbiology Vocab

Question 1

Obligate Aerobes

Answer 1

Need the same air we breathe to survive. Prefer same atmosphere.

Question 2

Obligate Anaerobes

Answer 2

Will die if exposed to air

Question 3

Microaerophiles

Answer 3

Need small concentrations of air to survive

Question 4

Capnophiles

Answer 4

require increased concentrations of CO2

Question 5

4 Phases of Population Growth Curve

Answer 5

1) Lag - normal bacterial growth no reproduction
2) Exponential - binary fission occurs and population increases
3) Stationary - nutrients get depleted and bacteria compete for them. Dying = new born
4) Death - nutrients become decrease and waste products increase, the number of dying cells continues to rise.

Question 6

Aspetic Technique

Answer 6

Practiced when it’s important to keep microbes away from an area

Question 7

Sepsis

Answer 7

Prince of pathogen in blood or tissue

Question 8

Asepsis

Answer 8

Absence of pathogens from human

Question 9

Antisepsis

Answer 9

The prevention of infection

Question 10

Sterilization

Answer 10

The complete destruction of all microbes

Question 11

Disinfection

Answer 11

Removal/destruction of pathogens from a non-living body

Question 12

Disinfectants

Answer 12

chemical substances that kill pathogens on inanimate objects

Question 13

Antiseptics

Answer 13

Solutions used to disinfect skin and other living tissues

Question 14

Methods to inhibit Microbial Growth

Answer 14

1) Dessication
2) PH
3) Cold temp
4) Filters
5) Radiation
6) UV
7) Gaseous atmosphere

Question 15

Carbohydrates have what elements?

Answer 15

C, H, O

Question 16

Nucleic Acids are comprised of?

Answer 16

phosphate group, nitrogenous base, sugar