Привет! (Privyet!) Have a pencil/pen and journal ready!

Привет! (Privyet!) Have a
pencil/pen and journal ready!
Pick a PARTNER
Mockumentary
Each of you will be watching a video without audio. Partner A will be
the first commentator as Partner B listens.
PARTNER “A”
PARTNER “B”
What is happening?
Listen carefully and try to
imagine what’s going on in your
head. Close your eyes, if it
helps!
Stand Back-to-Back
PARTNER “A”
PARTNER “B”
Face the screen. You
are the commentator!
Don’t look at the
screen! You are the
listener!
https://www.youtube.com/watch?v=idl6Vgwdgy0#action=share
https://www.youtube.com/watch?v=XNMDHaZJVLo#action=share
https://www.youtube.com/watch?v=OU2MD3sSTeM#action=share
BACTERIA!
What are BACTERIA?
Bacteria are...
◉ Prokaryotic
○ ‘pro’ = before; ‘karyo’ = shell
○ NO NUCLEUS!
◉ Single-celled, but often live in colonies
○ Colonies often produce a biofilm in aquatic
environments (AKA slime!)
◉ Microscopic
○ Typically 0.5 - 5.0 micrometers in length
SIZE
So, bacteria are
BORING?
SHAPES
“
Bacteria are...
◉ Circular
○ Coccus/Cocci
◉ Rod-shaped
○ Bacillus/Bacilli
◉ Spiral-shaped
○ Spirochetes/Helical
GROUPING
“
Bacteria are...
◉ Arranged in a chain
○ Strepto-
◉ Arranged in a cluster
○ Staphyl-
◉ Arranged in a cube
○ Sarcina
◉ Arranged like a wall
○ Palisade
COCCI GROUPING
BACILLI GROUPING
STRUCTURE
“
FUNCTION
“
Bacteria are...
◉ Decomposers
○ Break down waste (biomass); biomass is the
total mass of organic matter in a given area.
○ Recycle nutrients such as hydrogen, nitrogen,
phosphorus, carbon, and oxygen for other
organisms to use.
Two genera of bacteria...
◉ Nitrosomonas
◉ Nitrobacter
○ Rod-shaped or
pleomorphic
○ Most have flagella at both
ends
○ Photophobic (form biofilm
to avoid light)
○ Oxidize ammonia into nitrite
○ Rod-shaped or
pleomorphic
○ Will die in subfreezing
temps
○ Oxidize nitrite into
nitrate
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