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59 Cards in this Set

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Parisitism
symbiotic relationship in which parasites lives on a host
Commensalism
sybiotic relationship in which one partner benifits w/ out affecting the other
Excocytosis
movement of materials OUT of the cytoplasm of a cell
Mutation
CHANGE of dna sequence
Endocytosis
movement of materials INTO the cytoplasm of a cell
Osmosis
movement of water across a selevtivley peremable membrane
diffusion
tendency of particles to spread spontaneously
hydrophillic
"water loving" polar molecules that are water soluable
Glucagon
hormone secreted by islet cells in pancreas, raises glucose level in blood
Hydrophobic
water fearing, non polar molecules do not disolve in water
glycogen
storage form of glucose in animals
glucose
simple sugar, energy source/ buliding block for complex carbohydrates
interferon
anti-viral, stimulates protein production
insulin
regulates blood glucose level, promtoes transport of glucose into cells
eukaryotes
membrane band nucleus and organelles, animal cells (eu and I)
prokaryotes
bag of chemicals, plant cells
Epidemic
large # of people get sick
pandemic
global ppl get sick
pathogen
micobes that cause disease
prions
infectious protein particles cause degenerate nervous disease ex. mad cow
antibody
globular protein, bind and recognize antigens
antigen
non-self molecules, triggers an immune response
antigenic drift
small change
anigentic shift
large change
germ theory of disease
microbes were the link b/w sanitation and disease
immunoglobulins
large fam. of protein molecules, antibody belong to, gaurds entrancies to body
phagocytosis
cells alive, white blood cells engulf pathogens
complement proteins
cause forien cells to break open and explode agaisnt bacterium
hyperglycemia
high level of glucose in blood
hypoglycemia
low level of glucose in blood, pancreas secretes to much insulin
T cells
helper t
cytotoxic t
memory t
supressor t
associated w/ mediated immunity
antigen presenting cell (APC)
engulfs pathogen, broken into fragments
adhesion factors on a virus
spikes
lymphanic vessels
similar to blood vessels
lymph nodes
compartments where immune cells congregate and encounter antigens
lymph
clear fluid bathes body tissue
pancreas
makes insulin
insulin
regulates blood glucose levels, transports glucose into cells
mycoplasma
free-living organism
cell membrane fuction
-permeable, regulates movement across cell membrane
-seperates internal/external enviorment
-communication b/w cells
chemotaxis
when white blood cells are attracted to chemicals produced by bacteria
macromolecules
protein
lypids
carbohydrates
nucleic acids
infamitory response
mast cell- have histamine that dialates blood vessels, brings blood to scene
contributors
louis pasteur
robert koch
fleming
hiv
human immunodefiency virus, attacks helper t-cells
aids
acuired immoundefiency syndrome
mast cells
have histomine, dialates bloof vessels makes them leaky (blood to scene)
tuberculosis
kills more people worldwide than anyother disease
diabetes
body turns own cells against you
allergies
body over reacts to allergens
histamine
dialates capillaries
modes of trasmission of a pathogen
direct contact
airborne
vechicle
vector
virus stucture
outer caspid made of protein and inner core of nucleic acid
genome
both rna and dna
mutualism
both partners benifit
b cells
secrete antibodies
associated w/ mediataded immunity
plasma b cells
secrete antibodies
memory b cells
immunological memory
types of immunity
passive
active