Title: Multiplication Video http://www.youtube.com/watch?v=5Xi2Nc1UicQ
1Multiplication Videohttp//www.youtube.com/watch
?v5Xi2Nc1UicQ
2Tetanus
Lyme Disease
Plague
9.2 Bacteria
MRSA
Anthrax
Staph
3- Bacteria are ______________ living,
single-celled organisms! - They are carried from place to place in
_____, _________, or on the _____________ of
objects. - Some can move by flicking whip-like
_____________.
prokaryotes
air
water
surfaces
flagella
Typical Animal Cell
Typical Bacterium
Eukaryote
Prokaryote
4- The genetic material of prokaryotes is not
contained in a______________. - Prokaryotes have no cell organelles other than
_________________.
nucleus
ribosomes
Eukaryote
Prokaryote
5- 3. All living things must have food (energy
source) to survive. - a. __________ - make their own food one of _____
ways
Autotrophs
two
- Using the suns energy
- (photosynthesis)
- Using chemical energy
- (chemosynthesis)
6Heterotrophs
Decomposers
- b. _______________ - consume other organisms.
Ex) ______________ -
cellular respiration
Remember, all living cells do
_____________________, which requires
___________.
Oxygen
7B. Bacteria Shapes 1. ________________________
Rod-like (Bacillus)
82. _________________________
Spherical (Coccus)
93. ________________________
Spiral (Spirillus)
10- C. Reproduction - Bacteria can reproduce two
ways - Asexual reproduction is accomplished through
__________ __________. - a. One parent divides to produce two
_____________ bacteria. - This ________ genetic diversity.
binary
fission
identical
limits
11 2. Sexual reproduction is accomplished through
_________________. a. Two parents produce
new organisms that _____________ their
genes from each parent. This
___________ genetic diversity.
conjugation
inherit
increases
12D. Bacteria and Us Reasons to be glad bacteria
are out there! 1. Oxygen production
oxygen
a. A great deal of Earths ___________ is
produced by bacteria, and other
photosynthesizing autotrophs.
132. Natural recyclers a. _________________
are heterotrophic bacteria that
break down large chemicals in dead
organisms into small chemicals.
b. These chemicals are returned to the
__________ for other
organisms to use.
Decomposers
soil
143. Food Production pasteurization of dairy
products. a. _____________________
b. ___________________
butter
cheese
c. ____________________
d. ____________________
yogurt
kefir
154. Your body a. Good bacteria on your body
_____________ _____ ___________ with
bad bacteria.
compete
for
space
16b. Good bacteria in your _________________ help
digest food.
intestines
http//player.discoveryeducation.com/index.cfm?gui
dAssetIddf103fa0-40ec-4d80-b94a-9c039db80c28
17genetic engineering
- c. Recall that bacteria are frequently used in
__________________. - Ex) production of human insulin
18Skin as a Barrier
- http//player.discoveryeducation.com/index.cfm?gui
dAssetId5f74f4b1-347a-49e3-a516-b4f24e6e7e51
19Fun Fact!!!
5. Bacteria and Disease a. Bacteria that cause
disease make up less than ____________ of
known bacteria species.
one percent
- The ____________ toxin produced by bacteria in
poorly-preserved canned or jarred food, is used
in small doses in __________ injections as a way
to temporarily paralyze muscles.
botulism
botox
20Dino Disease?
- http//player.discoveryeducation.com/index.cfm?gui
dAssetIdabbebdc3-7395-4abc-9be6-43f3e6fca5b9
21alive
killed
- b. Because they are _________, bacteria can be
____________, - using _______________.
- c. Antibiotics are ________ that are typically
produced by _________, - which have been competing with bacteria on
Earth for ______________ - of years in the worlds oldest Arms Race
antibiotics
Ex) Penicillin
toxins
fungi
billions
22Ex) MRSA (Methicillin-resistant
Staphylococcus-aureus)
- d. There are drawbacks to using antibiotics
- - antibiotics can also kill the ______ bacteria
in our bodies - - antibiotics can cause unwanted ____________.
- - over-use of antibiotics can lead to the
_____________ of - antibiotic-____________ bacteria which can
withstand our - strongest medicines.
good
side effects
evolution
resistant
Incorrect antibiotic use kills all but the
strongest bacteria
23Antibiotic Resistance
- http//player.discoveryeducation.com/index.cfm?gui
dAssetIde852a83c-8149-4d4e-8181-439511cbc0cd
24Quiz (who was listening? ?)
- Are bacteria alive?
- Do bacteria cells have a nucleus?
- What is it called when bacteria reproduce
asexually? - Are all bacteria harmful?
- Name one way that bacterial can be helpful
- Name one antibiotic
- Complete this sentence
- When antibiotics are used incorrectly, they kill
off the weakest bacteria in a sick person,
leaving the ____________ ones to survive and
reproduce - http//www.fda.gov/AnimalVeterinary/SafetyHealth/A
ntimicrobialResistance/ucm134359.htm -
25- http//www.fda.gov/downloads/AnimalVeterinary/Safe
tyHealth/AntimicrobialResistance/UCM134417.wmv