Bacteria and Archaea

A  Botulism

B  Anthrax

C  Tetanus

D  Strep throat 

A  Two months

B  Millions of years 

C  20 years

D  One year

A  FALSE

B  TRUE

A  TRUE

B  FALSE

A  All of the choices are correct

B  Temperature

C  Osmotic pressure

D  pH

A  peptidoglycan

B  lipid membrane

C  lipopolysaccharide

D  protein 

A  water; calcium

B  calcium; water 

C  peptidoglycan; cell membrane

D  protien; lipids

A  flagellar proteins

B  peptidoglycan 

C  protein

D  cell membrane

A  the membrane of the mother cell 

B  proteins produced by the mother cell

C  the cell wall of the mother cell

D  the cyptoplasm of the mother cell

A  mother cell

B  father cell

C  parent cell

D  haploid cell

A  When the organism is exposed to sunlight

B  As a normal part of cellular growth

C  When the organism is placed in a hypertonic solution

D  When nutrients are depleted or conditions become adverse 

A  Complex media

B  All of the choices are correct.

C  Temperature of 45°C

D  pH = 4

A  FALSE

B  TRUE

A  a non-diving bacterial cell

B  a metabolically active cell 

C  a bacterial cell with an impervious coating

D  a frozen cell

A  They exhibit the same gene expression as nonbiofilm-associated bacteria.

B  They pose no risk to the health of hospital patients.

C  They can lead to systemic infections. 

D  None of the choices are correct.

A  Teeth

B  Artificial heart valves

C  All of the chioces are correct

D  Catheters

A  TRUE

B  FALSE

A  TRUE

B  FALSE

A  FALSE

B  TRUE

A  oxygen gradient

B  All of the choices are correct. 

C  nutrient concentration

D  pH gradient

A  Exopolymer

B  IL-4

C  Exotoxin

D  Lysozyme

A  Spike proteins

B  Fimbriae and flagella 

C  Fimbriae

D  Flagella

A  Moist abiotic surfaces and biotic surfaces such as plant and animal tissue 

B  Moist abiotic surfaces

C  Biotic surfaces such as plant and animal tissue

D  Dry abiotic surfaces

A  on teeth

B  on the walls of swimming pools

C  on shower curtains

D  on a variety of surfaces including shower curtains, the walls of swimming pools, and teeth 

A  motility

B  maintaining cell shape

C  transferring DNA to other cells

D  attachment

A  TRUE

B  FALSE

A  Gram-negative cell walls 

B  Gram-positive cell walls 

C  Lack cell walls 

D  Primitive prokaryotes, unusual cell walls and nutritional habits 

A  Gram-positive cell walls 

B  Gram-negative cell walls 

C  Primitive prokaryotes, unusual cell walls and nutritional habits 

D  Lack cell walls 

A  Lack cell walls 

B  Gram-negative cell walls 

C  Gram-positive cell walls 

D  Primitive prokaryotes, unusual cell walls and nutritional habits 

A  Lack cell walls 

B  Primitive prokaryotes, unusual cell walls and nutritional habits 

C  Gram-negative cell walls 

D  Gram-positive cell walls 

A  membrane; nutrient transfer

B  membrane; genetic exchange

C  flagellum; motility

D  pilus; genetic exchange

A  The bacterium will run in a straight direction all the way to the nutrient solution

B  The bacterium will rotate its flagella clockwise most of the time

C  The bacterium will tumble until it reaches the nutrient

D  The bacterium will have longer runs towards the nutrient, but it will still tumble at times 

A  The number of cilia present on a cell

B  Whether a cell is gram-positive or gram-negative

C  The direction of flagellar rotation 

D  The number of flagella present on a cell

E  The position of flagella within the cell wall

A  Fimbriae

B  Cilia

C  Flagella 

D  Pili

A  Light

B  Sound

C  Chemicals

D  Temperature

A  Pilus

B  Flagellum

C  Capsule 

D  Fimbria

A  Fimbria

B  Flagellum

C  Capsule

D  Pilus 

A  Hollow tubes for material exchange
Allow bacterial cells to colonize host tissues
Allow bacterial cells to avoid phagocytosis

B  Hollow tubes for material exchange
Allow bacterial cells to colonize host tissues
Allow bacterial cells to avoid phagocytosis
Participate in biofilm formation
Short appendages

C  Hollow tubes for material exchange
Allow bacterial cells to avoid phagocytosis
Short appendages

D  Hollow tubes for material exchange
Allow bacterial cells to colonize host tissues
Allow bacterial cells to avoid phagocytosis
Participate in biofilm formation

A  Capsule-protective layer

B  Pilus-attachment

C  Fimbriae-motility 

D  Flagellum-motility

A  It provides motility to bacterial cells, allowing them to spread throughout the host organism

B  The presence of the capsule allows a bacterium to evade the immune system and cause damage to the host 

C  It is released by the bacterium, killing any adjacent host cells

A  Klebsiella 

B  Pseudomonas

A  Colored layers of threadlike structures surrounding the cell

B  Clear halos around the cells 

C  Dark circles surrounding the cell wall

A  Nucleic acids

B  Lipids

C  Carbohydrates 

D  Proteins

A  The secreted extracellular “gunk” is highly damaging to tissues.

B  Bacteria in biofilms are often protected from antibiotics. 

C  Most microbes cannot cause disease without other microbes present.

A  Yellow or green discharge

B  Dental plaque

C  Salivary secretions

D  Ear wax