Worksheetsscience quiz 3
Total questions: 46
Worksheet time: 31mins
characteristics of bacteria
live in almost every organism
live in almost every cell
live in almost every human
live in almost every habitate
we have more bacteria cells then human cells
true
false
bacteria lack...
nucleus bound organelles
membrane bound organelles
mitochondria bound organelles
vacuole bound organelles
structure of bacteria have...
(a)
capsule:
hydration/smooth
dehydrated/slimy
hydration/slimy
dehydrated/
smooth
structure of bacteria:
keeps bacteria from denyarating
protects agents calls that are trying to kill it
only lets certain things in
keeps bacteria in
bacteria are microscopic
true
false
what does the structure of bacteria contain?
plasma/cell membrane
ribosomes and flagellum
plasmid and nucleoid
pili
what is plasmid
helps attach to surfaces
movment
circular DNA
DNA vesicles
what is pili
to help attach to surfaces
movment
circular DNA
DNA vesicles
what is flagellum
to help attach to surfaces
movment
circular DNA
DNA vesicles
what is nucleoid
to help attach to surfaces
movement
circular DNA
DNA vesicles
approximately (a) bacteria can fit on the head of a pin
shapes of bacteria
coccus
molecules
bacillus
spirillum
what shape is coccus
round shaped
rod shaped
spiral shaped
what shape is bacillus
round shaped
rod shaped
spiral shaped
what shape is spirillum
round shaped
rod shaped
spiral shaped
bacteria live in (a) places
what different ways do bacteria obtain food
some take in food
some feed on dead organisms
some take in nutrients from living host
some are able to make their food
some use energy from chemical reactions
_________ bacteria: bacteria that DO NOT need oxygen to survive
anaerobic
aerobic
_______ bacteria: bacteria that DO need oxygen to survive
anaerobic
aerobic
long whip like structure
flagella
pili
used as a grappling hook
flagella
pili
fission: cell divides into (a) identical cells
reproduction does NOT keep everything the same
true
false
does reproduction occur quickly
( yes or no )
(a)
conjugation: 2 bacteria come together and are able to (a) there genetic material
A: a donor cell builds bridge and has plasmia?
true
false
B: bridge is built, plasmia starts to split
true
false
C: plasmid enters other cell
true
false
plasmia is (a)
D: bridge is broken, duplication is complete
true
false
sometimes environmental conditions are (a) to the bacteria
bacteria DO NOT form endospores
true
false
endospores: an extra layer of______ around the DNA
safty
glucose
protection
confort
endospores allow bacteria to "_____" for months or even centuries
stay in the body
live
stay alive
sleep
archaea were once known to be bacteria
true
false
what all does a archaea have...
cell wall
NO nucleus or membrane
bound organells
simularities
there are NO differences in archaea
true
false
ribosomes look (a) like eukaryotic cells
can extremophiles live in extreme conditions
(yes or no)
(a)
a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.
bacteria
endospore
flagella
fission
slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa, etc. to swim.
bacteria
fission
conjugation
flagella
the action of dividing or splitting something into two or more parts.
bacteria
fission
flagella
endospore
the temporary union of two bacteria or unicellular organisms for the exchange of genetic material=conjugation
true
false
a resistant asexual spore that develops inside some bacteria cells=endospore
true
false
