Lab 6 Flashcards
LAB6. Synthetic media are made from
Scratch with every single ingredient (amino acids, sugars, salt, etc.)
-DEFINED
LAB6. Which media is difficult to make and is only used when necessary?
Synthetic media, it determines which nutrients a microbe absolutely must have
LAB6. Nonsynthetic media are composed of ingredients like…?
Beef extract or peptone
Almost all the media used in our classroom in the medical field are
Nonsynthetic
LAB6. A general purpose medium is one that is used to…?
Grow bacteria and keep them alive
- nutrient agar and nutrient broth are examples
LAB6. Enriched medium contains added nutrients to..?
Enhance the growth of those finicky bacteria with a Distinct appetite
- blood agar
Selective medium only allow certain species of micro organisms to…?
Grow and inhibit others
LAB6. What agar is an example of selective medium?
EMB agar
LAB6. EMB agar
Contains chemical dyes that inhibit the growth of gram-positive bacteria and select for gram-negative species
LAB6. Proper aseptic technique involves two goals, what are they?
1st: protect yourself and others by not allowing the micro organisms you’re working with to escape
2nd: prevent unwanted outside micro organisms from contaminating your culture or infecting your patient
LAB6. Differential medium has a diagnostic test to build into it that changes…?
Color with different species of microbes
LAB6. What’s an example of the differential medium?
Lactose broth will turn from red to yellow for species that can ferment lactose but not for those that can’t
Transport medium is used to…?
Transport microbes from one place to another
LAB6. Differential medium has a diagnostic test to build into it that changes…?
Color with different species of microbes
LAB6. What’s an example of the differential medium?
Lactose broth will turn from red to yellow for species that can ferment lactose but not for those that can’t
