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Biology Unit 12 test
Terms in this set (75)
What do we call the cell infected by a virus?
A virus reproduces only in a living cell or host - true or false
The 2 parts to a virus' structure are
capsid (protein coat) a nucleic acid (DNA or RNA) core
What do we call viruses that eat bacteria?
What are the 5 steps of the lytic cycle?
Attachment, Entry, Replication, Assembly, Lysis & Release
What are the 3 steps of the lysogenic cycle?
Attachment, Replication, Activation
The natural resistance to disease is called
The foreign protein of the virus is called
When does the production of antibodies take place in your body?
as soon as the antigen enters the body
What are the 2 lines of defense against disease in your body called?
innate immunity (skin, mucous membranes) acquired immunity (production of antibodies)
What type of cell is attacked by the HIV virus or AIDS disease?
Helper T cells
What is the term for a period of time where a virus remains inactive?
What do we call a phage that remains inactive for many generations, then suddenly becomes active?
The ability of a virus to alter a heredity code of a cell is accomplished through the process of
How are viruses like cells
They can reproduce (if in a host)
Can viruses be classified into domains or kingdoms?
No, they are not living
How are bacteria classified?
Domains, Kingdoms, etc. Domains: Archaea, Bacteria
Small pox - bacteria or virus
Measles - bacteria or virus
Strep throat - bacteria or virus
Rabies - bacteria or virus
Bacterial meningitis - bacteria or virus
Yellow Fever - bacteria or virus
Kuru - bacteria or virus
AIDS - bacteria or virus
viral pneumonia - bacteria or virus
bacterial pneumonia - bacteria or virus
lymes disease - bacteria or virus
bubonic plague - bacteria or virus
herpes - bacteria or virus
Ebola - bacteria or virus
SARS - bacteria or virus
The drugs that treat bacterial diseases are called?
Which type of bacteria is more effectively treated with antibiotics?
What color is Gram-negative bacteria?
What color is Gram-positive bacteria?
What makes bacteria gram positive or negative
The thickness of their peptidoglycan cell walls
What do we call the ability of a virus to cause disease
What people study the origin and distribution of disease
what people study just bacteria
what people study just viruses
What is a sudden outbreak of a disease in an area called
what is a sudden outbreak of a disease around the world called
what are the two locations of the CDC
Atlanta and Moscow
what do letters CDC stand for
Centers for Disease Control
What do we call hypersensitive responses to certain environmentel antigens which normally do not affect most people
what is the most serious of allergy reactions called
where can we find bacteria?
pretty much everywhere; extreme heat, cold, inside body, on desks, etc.
What 2 domains are bacteria classified in
Archaea & Bacteria
sphere-shaped bacteria are called
rod-shaped bacteria are called
spiral or corkscrew-shaped bacteria are called
what would we call pairs of rods
what would we call purple clusters of spheres
gram positive staphylo cocci
what are pili used for
what are flagella used for
what do we call a circular piece of DNA in a bacterium
the method of asexual reproduction most bacteria use
what is conjugation
sexual reproduction, bacteria exchange plasmids, one gets DNA
autotrophic bacteria can do what
make their own food
bacteria that get energy from breakdown of inorganic compounds use process of
what do we call bacteria that feed on dead organic matter
bacteria that require oxygen are called
bacteria that require no oxygen are called
bacteria that can live with or without oxygen are called
what is an endospore
a resistance coat that bacteria can form over the capsule to allow them to survive harsh conditions/environments until conditions return that are favorable
pathogens damage the body by producing
retroviruses are composed of ____ instead of ____
the order of the 3 stains used in the gram staining technique:
Crystal Violet, Gram's Iodine, Safranin Red
What do we call an organism like a flea or tick that can carry disease
what are the 4 modes of disease transmission
airborne, waterborne or foodborne (ingested), sexually transmitted, arthropod vectors
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