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25 Cards in this Set

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Pathogens
Organism capable of causing a disease.
1. protozoan
2. fungi
3. viral
4. bacterial
Microorganisms
Some are helpful, they help break down foods we eat to produce subs such as PROTEIN and VITAMINS

Others fight disease causing microbes that enter our body
Types of microorganisms
1. Resident microorganisms - bacteria that helps Ur body

2. Pathogen - Disease causing microorganisms
Disinfectant
destroys microorganisms on inanimate objects.(lysol, bleech, pinesol)
Antiseptics
destroys microorganisms on ur skin
Modes of Transmission
Direct contact(open sore, body fluids)

Indirect contact(doorknobs etc)

Inhaling a pathogen(coughing, sneezing)

Encountering vectors(animal)
Antibiotics
only work on bacteria
Vaccines
used to help prevennt virrus
Evolution
all the changes that transform life on earth, leading to the diversity of organisms
Progress
change over time
Cells
Microscopic

Basic units of life

building block of larger multicellular organisms
Prokaryotic
lack a membrane- enclosed nucleus and other membrane enclosed organelles
Eukaryotic
contains a membrane bound nucleus and other membrane enclosed organelles
Metris System of measurement
large universe to a small subatomic particle
Pneumonia
an infectious inflammation of the lungs, in which fluid accumulates in the alveoli.
mycoplama
bacteria taht either lives freely or in animals and plants and causes diseases
What are the units of measurements of the biological world?
The metric system of measurement is used in the study of the physical and biological worlds
Kilometer(km)
# of meters is 1000

Exponent - 10^3

Us equivilant - .062 miles
Meter(m)
Meters - 1

Exponent 10^0

Us - 1.093yards
Millimeter(mm)
Meters - .001

Exponent - 10^-3

Us - .039 inches
Micrometer(um)
Meters - .000001

exponent - 10^-6

us - .000000039 inches
Nanometer(nm)
meters - .00000001

exponent - 10^-9

us - .000000039 in
Alveoli
located in the lungs they are sacs taht exchange gasses
Antibiotic
Medicine that is specific to bacteria and interferes with bacterial metabolism(kills bacteria)
Virus
noncellular particle that consists of a protien coat surrounding a strand of genetic material. It multiplies only with a living organism.