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Chapters 23-25 Notes Abridged
abridged
43
Biology
9th Grade
04/21/2014

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Term
What is a nonliving particle made up of genetic material and a protein coat that can invade living cells?
Definition
virus
Term
What is another name for the Tobacco Mosaic Virus?
Definition
TMV
Term
Who and when was the TMV discovered?
Definition
Wendell Stanley (1935)
Term
What is a protein coat?
Definition
capsid
Term
What are the 5 steps of the Lytic Cycle?
Definition
attachment, penetration, biosynthesis, assembly, and release
Term
What does latent mean?
Definition
to hid inside of a host
Term
What are the names of the two kingdoms of bacteria?
Definition
Archaebacteria and Eubacteria
Term
Where is Archaebacteria found?
Definition
in harsh environments (undersea volcanic vents, acidic hot springs, salty water)
Term
What is called the true bacteria?
Definition
eubacteria
Term
What was eubacteria in the five kingdom system?
Definition
Monera Kingdom
Term
What does most bacteria do?
Definition
act as decomposers recycling nutrients
Term
What are the three shapes used to classify bacteria?
Definition
bacillus, coccus, spirillum
Term
What shape is bacillus?
Definition
rod shpaed
Term
What shape is coccus?
Definition
spherical (round)
Term
What shape is spirillum?
Definition
spiral shape
Term
What breaks down cellulose in a cow's stomach and produces marsh (methane) gas?
Definition
Methanogens
Term
What is one characteristic of true bacteria?
Definition
most are heterotrophic (cannot make their own food)
Term
What color does Gram Negative Bacteria stain?
Definition
pink or reddish
Term
Is Gram Negative Bacteria easy to treat with antibiotics?
Definition
no
Term
What color does Gram Positive Bacteria stain?
Definition
purple
Term
Is Gram Positive Bacteria easy to treat with antibiotics?
Definition
yes
Term
What are the three methods of respiration in bacteria?
Definition
obligate aerobes, obligate anaerobes, and facultative anaerobes
Term
What is an obligate aerobe?
Definition
requires 02 (tuberculosis bacteria)
Term
What are obligate anaerobes?
Definition
die of O2 is present (tetanus)
Term
What are facultative anaerobes?
Definition
don't need O2, but aren't killed by it (E. Coli)
Term
How does bacteria reproduce asexually?
Definition
by binary fission
Term
How does bacteria reproduce sexually?
Definition
conjugation
Term
When do endspores form in bacteria?
Definition
whenever habitat conditions become harsh (little food)
Term
What are the three categories of protists?
Definition
animal-like, fungus, plant-like
Term
What is another name of the Animal-like protists?
Definition
protozoans
Term
What is another name for the Plant-like protists?
Definition
algae
Term
What are the four groups of protozoans called?
Definition
pseudopods, ciliates, zooflagellates, sporozoans
Term
What is a protozoan with pseudopods called?
Definition
psuedopods
Term
What are protozoans with cilia called?
Definition
ciliates
Term
What are protozoans with flagella called?
Definition
zooflagellates
Term
What are other protozoans called?
Definition
sporozoans
Term
What are sporozoans?
Definition
protozoans that reproduce by forming spores
Term
What is a disease that sporozoans cause?
Definition
a protozoan that is a parasite and lives in blood, may cause malaria
Term
What kingdom does Fungi belong in?
Definition
Fungi Kingdom
Term
When you eat mushrooms or bread made with yeast, what are you eating?
Definition
fungi
Term
Can fungi make its own food?
Definition
nope
Term
What is a saprobe?
Definition
fungi that absorbs food from decaying organic matter
Term
How does fungi grow?
Definition
by producing fine tube-like threads called hyphae
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