Microorganisms
What are disease causing organisms called?
Pathogens
protein synthesis
What is the genome?
All the genetic traits of an organism
Destroying pathogens on nonliving surfaces is called ________________.
Disinfection
What is lysozyme?
enzymes found in tears and saliva that breaks down peptidoglycan.
What is Koch's Postulates?
linking microorganisms to disease
What is the cell envelope comprised of?
cell wall, cell membrane and outer membrane
What is the phenotype?
What is sterilization?
Killing of all microbes including endospores
What is an antigen?
Causes an immune response.
Which type of microorganisms are considered acellular? nonliving?
Viruses
What is the function of bacterial appendages?
Attachment and motility.
How is DNA replication described?
What is the infectious dose?
Smallest number of microbes to cause an infection
What is an epitope and hapten?
Epitope causes an immune response.
Hapten is too small by itself to cause an immune response.
Which two groups are in kingdom protistia?
How are gram positive and gram negative cells different?
Gram positive have a thick cell wall. Gram negative have a thin cell wall and outer membrane.
Positive stain purple
Negative stain pink
What is the origin of replication?
Where replication starts.
What is an endogenous vs exogenous infection?
endo - originates from inside
exo - originates from outside
Which WBC are granuolcytes? Which are agranulocytes?
granulocytes; eosinophils, basophils, neutrophils
agranulocytes; monoctyes and lymphocytes
What location do you typically find helminths?
In the digestive tract.
Describe the 4 possible arrangements of flagella.
monotrichous - one flagellus
lophotrichious - tuft from one end
peritrichious - all over
ampitrichious - one flagella from each end.
A piece of DNA that codes for a product is called a ________
gene
How are opportunistic and true pathogens different?
Opportunistic - cause disease in sick people
True - cause disease in healthy people
What do cephalosporins and pencillincs have in common?
Beta lactam ring