6
7
8
9
surprises
100
an organism that cannot tolerate an oxygen environment
what is an obligate anaerobe?
100
bacteria living in a freshwater stream that are moved to saltwater would...
what is shrivel
100
this term describes the opposite-like structure of DNA
what is antiparallel
100
this method of microbial control is efficient in removing bacterial endospores
what is sterilization
100
describe the structure of a nucleotide and differentiate between purines and pyrimidines
200
the relationship when one microbe benefits but the other is NOT harmed
what is commensalism
200
NADH and FADH2 molecules are oxidized in which step of the aerobic respiration process
What is electron transport chain
200
base pairs in DNA are held together by ____ bonds
what are hydrogen bonds?
200
this method of moist heat control is specifically used for beverages
what is pasteurization
200
typical haven for anaerobes
what is gut/stomach
300
this term refers to a colony of microorganisms that benefit from the presence of each other
what is a biofilm
300
this term refers to both a process that catabolizes and anabolizes
what is amphibolism
300
this method of horizontal gene transfer requires a competent recipient cell
what is transformation
300
this term refers to the removal of moisture from cells
what is desiccation
300
these are the steps of the lac operon
1. lactose is sensed
2. lactose binds to repressor
3. repressor detaches from operator
4. rna polymerase attaches to promoter region
5. genes are transcribed
6. lactose depleted
7. repressor binds to operator
8. operator locks
400
the scientific name of a mesophile
Escherichia coli
400
the final electron acceptor in aerobic respiration
what is oxygen
400
describe the differences between DNA and RNA
- sugar (ribose vs deoxyribose)
- dna longer
- single stranded RNA vs DS DNA
- uracil vs thymine
400
method of microbial control that dissolves membrane lipid, can be used for disinfection, and are limited in effectiveness due to their rapid evaporation rate
what is alcohol
400
these microbes grow best in areas with high levels of carbon dioxide
what are capnophiles
500
this point in the bacterial growth curve refers to the period in which newly inoculated cells need time to adjust
what is the lag phase
500
this is the oldest stage of cellular respiration
what is glycolysis?
500
the phosphate backbone of DNA is held together by these bonds
what is phosphodiester bonds
500
This form of radiation is the most penetrating
what are gamma rays
500
if hydrogen peroxide was used to clean a wound, the bacterial cells would likely be dead. Why?
hydrogen peroxide is highly reactive-- turns into a gas, and destabilizes all the cells in the area