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Bacteria - Biology
All are uses of bacteria except
form of bacterial reproduction
Bacteria - Biology
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Bacteria Basics for Biology
Flashcards
46 cards
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Practice quiz
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Questions
46
Answers
1
form of bacterial reproduction
binary fission
mitosis
sexual reproduction
meiosis
2
All are uses of bacteria except
make yogurt and sourdough bread
remove wastes from water
make butter and milk
clean up oil spills
3
in comparison of prokaryotes to eukaryotes, prokaryotes are ___
10X the size but 1/10 the total mass
same size but 10X the total mass
same size but 1/10 the total mass
1/10 the size but 10X the total mass
4
exterior bacterial structure used for movement
capsule
flagellum
endospore
pillus
5
A visible grouping of single celled organisms
Vector
Colony
Multicellular
Culture
6
Which is not true of prokaryotic cells?
move by flagella
have genetic information
lack nucleus
lack ribosomes
7
variation in bacteria created when bacteria pick up extra plasmids from their environment
transduction
binary fission
conjugation
transformation
8
Bacteria with an additional exterior membrane
both gram positive and negative
gram negative
archaea
gram positive
9
What is the proper use of an antiseptic
treat a wound on surface of the skin
treat bacterial pneumonia
sterilize a hospital room
eliminate a vector
10
Which product would you use to sterilize a bathroom?
disinfectant
antiseptic
antibiotic
vaccination
11
The most numerous life forms on earth
animals
bacteria
plants
viruses
12
prokaryotic cells are ____ the size of eukaryotic cells
50X
10X
1/10
1/2
13
aseptic technique does not include
using sterile equipment
washing your hands
using the same inoculating loop for all bacteria
bleaching the lab benches
14
strength of a disease
pillus
pathogen
virulence
peptidoglycan
15
which is not true of gram negative bacteria
have an outer membrane
have a thinner layer of peptidoglycan
can be treated with fewer antibiotics
are stained purple
16
accessory rings of DNA in bacteria
fimbriae
flagella
pilli
plasmid
17
exterior bacterial structure that allows adhesion of bacterium to other surfaces
fimbriae
cilia
pillus
flagellum
18
"Recyclers" found in nature
Decomposer
Heterotroph
Autotroph
Vector
19
Protect a bacteria until conditions are more favorable
fimbraie
flagellum
endospore
pillus
20
All prokaryotic cells on earth equal ____ the mass of all eukaryotic cells on earth
10X
50X
1/10
1/2
21
How bacteria cause disease
nitrogen fixation
release toxins
photosynthesis
fermentation
22
Which antibiotics typically work on most gram positive bacteria?
Resistant
Pathogenic
Mutated
Broad Spectrum
23
Rod shaped bacteria
coccus
pathogen
spirillum
bacillus
24
tube that allows transfer of genetic material between bacteria
fimbriae
cilia
flagellum
pillus
25
Which of these antibiotic disks is the most effective?
Amp
Meth
Control
Van
26
chains of bacteria
binary
strepto
diplo
staphlyo
27
Bacteria such as MDM1, MRSA, and KPC that can survive even while taking antibiotics
gram positive
highly resistant
mutualstic
archaea
28
When taking antibiotics you should ___
be sure the virus is gone before stopping your meds
complete the whole course of your antibiotics
not worry about skipping one day
stop your medication if you are no longer symptomatic
29
An organism capable of making its own food
Pathogen
Decomposer
Autotroph
Heterotroph
30
Common bacteria causing illness found in dairy and poultry
Salmonella
Botulism
B. subtilis
E. Coli
31
smaller structures found in bacterial cells used for protein synthesis
mitochondria
rough ER
pillus
ribosome
32
Complete bacterial growth in a given area
Lawn
Colony
Endospore
Zone of Inhibition
33
To grow bacteria in an incubator
culture
replication
nutrient agar
colonize
34
The medium that is typically used to grow bacteria on
Aseptic Technique
Inoculating Loop
Colony
Agar
35
region in a bacterial cell where genetic material is found
nucleus
nucleoid
ribosome
capsule
36
An area of no growth around an antibiotic disk in culture
zone of inhibition
pathogenicity
virulence
lawn
37
eukaryotes are ____ prokaryotes
more numerous than
more widespread than
dependent on
more ancient than
38
bacteria that cause disease are called
antibiotics
viruses
pathogens
endospores
39
Process when bacteria pass DNA to each other through a mating bridge.
transduction
conjugation
binary fission
transformation
40
Gram staining is a method that helps determine ___
shape of a prokaryote
how a prokaryote obtains energy
type of cell wall a prokaryote has
whether a prokaryote has a capsid
41
sphere shaped bacteria
bacillus
spirillum
coccus
peptidoglycan
42
Which is not a body's natural defense against bacteria
openings in the skin
healthy immune system
wavelike motion of cilia in airways
antibodies
43
most common source of variation in bacteria
transduction
conjugation
transformation
mutation
44
Term used to describe an illness or disease that is always in a population
pandemic
epidemic
endemic
virulence
45
bacteria with a thick layer of peptidoglycan
archaea
both gram positive and negative
gram positive
gram negative
46
mutation that allows bacteria to survive antibiotic use
transformation
zone of inhibition
resistance
immunity